9. Switch case program for areas of circle,rectangle and triangle.

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Comments

  1. lengarepooja1:29 PM

    /* Area of circle, triangle,rectangle using switch case*/
    #include
    #define pi 3.14
    void main()
    {
    int ch;
    float r,l,b,h;
    printf("\n1.Area of circle\n2.Area of Rectangle\n3.Area of Triangle\n");
    printf("\nEnter your choice:");
    scanf("%d",&ch);
    switch(ch)
    {
    case 1:
    printf("\nEnter a radius:");
    scanf("%f",&r);
    printf("\nArea of circle=%f\n",(pi*r*r));
    break;
    case 2:
    printf("\nEnter a length and breadth:");
    scanf("%f%f",&l,&b);
    printf("\nArea of Rectangle=%f\n",(l*b));
    break;
    case 3:
    printf("\nEnter a base,height:");
    scanf("%f%f%f",&l,&b,&h);
    printf("\nArea of Triangle=%f\n",(0.5*b*h));
    break;
    default:
    printf("\nWrong choice:\n");
    }


    }

    ReplyDelete
  2. pallavi bagal1:32 PM

    #include
    # define pi 3.14
    void main()
    {
    float r,l,b,h,len,tarea;
    int ch;
    printf("1]circle 2]rectangle 3]trangle");
    printf("\n\tEnter your choice");
    scanf("%d",&ch);
    switch(ch)
    {
    case 1:
    printf("\n\tenter radius of circle\n\t");
    scanf("%f",&r);
    printf("\n\tradius of circle is=%f",pi*r*r);
    break;

    case 2:
    printf("\n\tEnter length and breadth\n\ t");
    scanf("%f%f",&l,&b);
    printf("\n\tarea of rectangle is=%f",l*b);
    break;

    case 3:
    printf("\n\tEnter length ,breadth & height\n\t");
    scanf("%f%f%f",&len,&h,&b);
    tarea=len*b*h;
    printf("\n\tarea of triangle is=%f",tarea);
    break;
    default:
    printf("\n\tWrong choice");
    }
    }

    ReplyDelete
  3. Sayali Daunde11:42 AM

    #include
    #define pi 3.14
    void main()
    {
    float r,b,h,l,m;
    int choice;
    printf("\n1area of circle 2area of tringle 3area of rectangle");
    printf("\nenter yr choice");
    scanf("%d",&choice);

    switch(choice)
    {
    case 1:
    printf("\nenter the values of r");
    scanf("%f",&r);
    printf("\narea of circle=%f",pi*r*r);
    break;
    case 2:
    printf("\nenter the values of base,height");
    scanf("%f%f",&b,&h);
    printf("\narea of tringle=%f",0.5*b*h);
    break;
    case 3:
    printf("\nenter the values of length,width");
    scanf("%f%f",&l,&m);
    printf("\narea of rectangle=%f",l*m);
    break;

    default:
    printf("\ninvalid choice");

    }

    }

    ReplyDelete
  4. Dipali Kore11:55 AM

    #include
    #define pi 3.14
    void main()
    {
    float r,b,h,l,m;
    int choice;
    printf("\n1area of circle 2area of tringle 3area of rectangle");
    printf("\nenter yr choice");
    scanf("%d",&choice);

    switch(choice)
    {
    case 1:
    printf("\nenter the values of r");
    scanf("%f",&r);
    printf("\narea of circle=%f",pi*r*r);
    break;
    case 2:
    printf("\nenter the values of base,height");
    scanf("%f%f",&b,&h);
    printf("\narea of tringle=%f",0.5*b*h);
    break;
    case 3:
    printf("\nenter the values of length,width");
    scanf("%f%f",&l,&m);
    printf("\narea of rectangle=%f",l*m);
    break;

    default:
    printf("\ninvalid choice");

    }

    }

    ReplyDelete
  5. Akshay Sidwadkar12:09 PM

    #include
    #define pi 3.14
    void main()
    {
    float r,b,h,l,m;
    int choice;
    printf("\n1area of circle 2area of tringle 3area of rectangle");
    printf("\nenter yr choice");
    scanf("%d",&choice);

    switch(choice)
    {
    case 1:
    printf("\nenter the values of r");
    scanf("%f",&r);
    printf("\narea of circle=%f",pi*r*r);
    break;
    case 2:
    printf("\nenter the values of base,height");
    scanf("%f%f",&b,&h);
    printf("\narea of tringle=%f",0.5*b*h);
    break;
    case 3:
    printf("\nenter the values of length,width");
    scanf("%f%f",&l,&m);
    printf("\narea of rectangle=%f",l*m);
    break;

    default:
    printf("\ninvalid choice");

    }

    }

    ReplyDelete
  6. Pandhare Dipali Rajendra12:12 PM

    #include
    #define pi 3.14
    void main()
    {
    float r,h,l,len,b;
    int choice;
    printf("\n\t 1:Area of circle,2:Area of rectangle,3:Area of triangle");
    printf("\n\t Enter your choice:");
    scanf("%d",&choice);
    switch(choice)
    {
    case 1:
    printf("\n\t Enter the radius");
    scanf("%f",&r);
    printf("\n\t Area of circle=%f",3.14*r*r);
    break;
    case 2:
    printf("\n\t Enter the value of lenth and breadth");
    scanf("%f%f",&len,&b);
    printf("\n\t Area of rectangle=%f",len*b);
    break;
    case 3:
    printf("\n\t Enter the value of lenth and height");
    scanf("%f%f",&l,&h);
    printf("\n\t Area of triangle=%f",1/2*l*h);
    break;
    default:
    printf("\n\t invalid case");
    }
    }

    ReplyDelete
  7. Swati Waghmare12:26 PM

    /*To calculate Areas of circle ,triangle,rectangle by using switch case , 20-7-16 */
    #include
    void main()
    {
    float r,l,b,h,len;
    int choice;
    printf("\n\t1.Area of circle,2.Area of triangle,3.Area of rectangle");
    printf("\n\t Enter ur choice");
    scanf("%d",&choice);
    switch(choice)
    {
    case 1:
    printf("\n\tEnter radius");
    scanf("%f",&r);
    printf("Area of circle=%f",3.14*r*r);
    break;
    case 2:
    printf("\n\tEnter length and breadth");
    scanf("%f%f",&l,&b);
    printf("\n\tArea of rectangle=%f",1/2*l*b);
    break;
    case 3:
    printf("\n\tEnter length and height");
    scanf("%f%f",&len,&h);
    printf("\n\tArea of rectangle=%f",len*h);
    break;
    default:
    printf("\n\tInvalid case");
    }
    }

    ReplyDelete
  8. Mubin Pirjade8:35 AM

    correct programs are here!!!!
    //area of circle ,triangle and rectangle using switch case
    #include
    #include
    #define pi 3.14
    void main()
    {
    int ch,r,l,br,base,height;
    float ac,ar,at;
    printf("\n\t1.Area of circle \n\t2.Area of rectangle \n\t3.Area of triangle \n\t4.Exit");
    printf("\n\tEnter the choice:");
    scanf("%d",&ch);
    switch(ch)
    {
    case 1:
    printf("\n\tEnter the radius:");
    scanf("%d",&r);
    ac=pi*r*r;
    printf("\n\tArea of circle=",ac);
    break;
    case 2:
    printf("\n\tEnter the length and breadth:");
    scanf("%d%d",&l,&br);
    ar=l*br;
    printf("\n\tArea of rectangle=");
    break;
    case 3:
    printf("\n\tEnter the base and height:");
    scanf("%d%d",&base,&height);
    at=(1/2)*base*height;
    printf("\n\tArea of triangle=");
    break;
    default:
    exit(0);
    }
    }

    ReplyDelete
  9. Radha Ghadge SE 238:57 AM

    #include
    void main()
    {
    float r,ln,ht,l,b,ch,ac,ar,at;
    printf("\n 1.circle\2.rectangle\3.triangle");
    printf("\n enter your choice=");
    scanf("%f",&ch);
    switch(ch)
    {
    case 1:printf("\n enter the radius=");
    scanf("%f",%r);
    ac=3.14*r*r;
    printf("\n area of circle=%f",ac);
    break;
    case 2:printf("\n enter length and breadth=");
    scanf("%f%f",&ln,&b);
    ar=ln*b;
    printf("\n area of rectangle=%f",ar);
    break;
    case 3:printf("\n enter length and height=");
    scanf("%f%f",&l,&ht);
    at=0.5*l*ht;
    printf("\n area of triangle=%f",at);
    break;
    default:printf("\n sorry");
    break;
    }
    }

    ReplyDelete
  10. poonam pusavale9:42 AM

    #include
    void main()
    {
    float r,l,h,b,w;
    int choice;
    printf("\n\t 1.area of circle 2.area of triangle 3.area of rectangle");
    printf("\n\t enter your choice");
    scanf("%d",&choice);
    switch(choice)
    {
    case1:
    printf("\n\t enter radius of circle");
    scanf("%f",&r);
    printf("\n\t area of circle=%f",3.14*r*r);
    break;
    case2:
    printf("\n\t enter the value of h&b");
    scanf("%f %f",&h,&b);
    printf("\n\t area of triangle=%f",0.5*h*b);
    break;
    case3:
    printf("\n\t enter the value of l&w");
    scanf("%f %f",&l,&w);
    printf("\n\t area of rectangle=%f",l*w);
    break;
    default:
    printf("\n\t invalid choice");
    }
    }

    ReplyDelete
  11. sonali nagane9:49 AM

    #include
    #define pi 3.14
    void main()
    {
    int choice;
    float r,l,b,h,base;
    printf("\n1 area of circle,2 area of rectangle,3 area of triangle");
    printf("\n Enter your choice");
    scanf("%d",&choice);
    switch(choice)
    {
    case 1:
    printf("\n enter value of radius");
    scanf("%f",&r);
    printf("\n area of circle=%f",pi*r*r);
    break;
    case 2:
    printf("\n enter value of lenght,breadth");
    scanf("%f%f",&l,&b);
    printf("\n area of rectangle=%f",l*b);
    break;
    case 3:
    printf("\n enter value of hight,base");
    scanf("%f%f",&h,&base);
    printf("\n area of triangle=%f",0.5*base*h);
    break;
    default:
    printf("\nyour choice");
    break;
    }
    }

    ReplyDelete
  12. sushmita swami10:29 AM

    #include
    #define pi 3.14
    void main()
    {
    float r,b,h,l,m;
    int choice;
    printf("\n1area of circle 2area of tringle 3area of rectangle");
    printf("\nenter yr choice");
    scanf("%d",&choice);

    switch(choice)
    {
    case 1:
    printf("\nenter the values of r");
    scanf("%f",&r);
    printf("\narea of circle=%f",pi*r*r);
    break;
    case 2:
    printf("\nenter the values of base,height");
    scanf("%f%f",&b,&h);
    printf("\narea of tringle=%f",0.5*b*h);
    break;
    case 3:
    printf("\nenter the values of length,width");
    scanf("%f%f",&l,&m);
    printf("\narea of rectangle=%f",l*m);
    break;

    default:
    printf("\ninvalid choice");

    }

    }

    ReplyDelete
  13. Unknown3:57 PM

    /* Area of circle, triangle,rectangle using switch case*/
    #include
    #define pi 3.14
    void main()
    {
    int ch;
    float r,l,b,h;
    printf("\n1.Area of circle\n2.Area of Rectangle\n3.Area of Triangle\n");
    printf("\nEnter your choice:");
    scanf("%d",&ch);
    switch(ch)
    {
    case 1:
    printf("\nEnter a radius:");
    scanf("%f",&r);
    printf("\nArea of circle=%f\n",(pi*r*r));
    break;
    case 2:
    printf("\nEnter a length and breadth:");
    scanf("%f%f",&l,&b);
    printf("\nArea of Rectangle=%f\n",(l*b));
    break;
    case 3:
    printf("\nEnter a length,breadth,height:");
    scanf("%f%f%f",&l,&b,&h);
    printf("\nArea of Triangle=%f\n",(l*b*h));
    break;
    default:
    printf("\nWrong choice:\n");
    }


    }

    ReplyDelete
  14. Amruta3:59 PM

    #include
    void main()
    {
    float r,len,hig,l,b,tarea;
    int ch;
    printf("\n1.Circal area \n2.Rectangle area \n3.Trangle area\n");
    printf("\nEnter your choice\n");
    scanf("%d",&ch);
    switch(ch)
    {
    case 1:
    printf("\nEnter the Radious");
    scanf("%f",&r);
    printf("Area of circal=%f\n",r*r*3.14);
    break;
    case 2:
    printf("\nEnter length and bridth\n");
    scanf("%f%f",&l,&b);
    printf("\nArea of Rectangle=%f\n",l*b);
    break;
    case 3:
    printf("\nEnter higth and length\n");
    scanf("%f%f",&len,&hig);
    tarea=len*hig*1/2;
    printf("\nArea of Trangle=%f\n",tarea);
    break;
    default:
    printf("\nEnter corect choice\n");
    }
    }

    ReplyDelete
  15. Unknown4:21 PM

    /* Calculate The Area of.. Circle, Triangle, Rectangle Using switch case*/


    #include
    #define pi 3.14
    void main()
    {
    int ch;
    float r,l,b,h;
    printf("\n1.Area of Circle\n2. Area of Triangle\n3.Area of Rectangle\n");
    printf("\nEnter your choice:\n");
    scanf("%d",&ch);

    switch(ch)
    {
    case 1:
    printf("\nEnter radius:\n");
    scanf("%f",&r);
    printf("\nArea of Circle=%f\n",pi*r*r);
    break;

    case 2:
    printf("\nEnter a length and breadth:\n");
    scanf("%f%f",&l,&b);
    printf("\nArea of Triangle=%f",l*b);
    break;

    case 3:
    printf("\nEnter a length, breadth, hight:\n");
    scanf("%f%f%f",&l,&b,&h);
    printf("\nArea of Rectangle=%f \n",l*b*h);
    break;

    default:
    printf("\nEnter corect choice\n");
    break;

    }

    }

    ReplyDelete
  16. Unknown4:36 PM

    #include
    #define pi 3.14

    void main()
    {
    int choice;
    float l1,b,r,h,l2;

    printf("\n 1.Area of circle.\n 2.Area of Triangle.\n 3.Area of rectangle.\n");


    printf("\n Enter your choice=");
    scanf("%d",&choice);


    switch(choice)
    {

    case 1:
    printf("\n Enter r=");
    scanf("%f",&r);
    printf("\nArea of circle=%f\n",pi*r*r);
    break;

    case 2:
    printf("\n Enter l1&h=");
    scanf("%f %f",&l1,&h);
    printf("\nArea of triangle=%f\n",0.5*l1*h);
    break;

    case 3:
    printf("\n Enter l2&b=");
    scanf("%f %f",&l2,&b);
    printf("\nArea of rectangle=%f\n",l2*b);
    break;


    default:
    printf("\nWrong choice.\n");

    }

    }

    ReplyDelete
  17. Unknown4:41 PM

    #include
    #define pi 3.14

    void main()
    {
    int choice;
    float l1,b,r,h,l2;

    printf("\n 1.AOC.\n 2.AOT.\n 3.AOR.\n");


    printf("\n Enter your choice=");
    scanf("%d",&choice);


    switch(choice)
    {

    case 1:
    printf("\n Enter r=");
    scanf("%f",&r);
    printf("\nAOC=%f\n",pi*r*r);
    break;

    case 2:
    printf("\n Enter l1&h=");
    scanf("%f %f",&l1,&h);
    printf("\nAOT=%f\n",0.5*l1*h);
    break;

    case 3:
    printf("\n Enter l2&b=");
    scanf("%f %f",&l2,&b);
    printf("\nAOR=%f\n",l2*b);
    break;


    default:
    printf("\nWrong choice.\n");

    }

    }

    ReplyDelete
  18. Unknown4:46 PM

    #include
    #define pi 3.14
    void main()
    {
    float r,b,h,l,m;
    int choice;
    printf("\n1.area of circle\t 2.area of tringle 3.area of rectangle");
    printf("\n Enter yr choice");
    scanf("%d",&choice);

    switch(choice)
    {
    case 1:
    {
    printf("\n Enter the values of r=\t");
    scanf("%f",&r);
    printf("\nArea of circle=%f",pi*r*r);
    break;
    }
    case 2:
    {
    printf("\n Enter the values of base,height=\t");
    scanf("%f%f",&b,&h);
    printf("\n Area of triangle=%f",0.5*b*h);
    break;
    }
    case 3:
    {
    printf("\n Enter the values of length,width=");
    scanf("%f%f",&l,&m);
    printf("\n Area of rectangle=%f",l*m);
    break;
    }
    default:
    {
    printf("\n Invalid choice");
    }
    }

    }

    ReplyDelete
  19. sanjivani atakare4:09 PM

    #include
    #define pi 3.14
    void main()
    {
    int ch;
    float r,l,b,h;
    printf("\n1.Area of Circle\n2. Area of Triangle\n3.Area of Rectangle");
    printf("\nEnter your choice:");
    scanf("%d",&ch);
    switch(ch)
    {
    case 1:
    printf("Enter radius:");
    scanf("%f",&r);
    printf("Area of Circle=%f",pi*r*r);
    break;

    case 2:
    printf("Enter a length and breadth:");
    scanf("%f%f",&l,&b);
    printf("Area of Triangle=%f",l*b);
    break;

    case 3:
    printf("Enter a length, breadth, hight:");
    scanf("%f%f%f",&l,&b,&h);
    printf("Area of Rectangle=%f",l*b*h);
    break;
    }

    }

    ReplyDelete
  20. Amruta5:04 PM

    #include
    void main()
    {
    float r,len,hig,l,b,tarea;
    int ch;
    printf("\n1.Circal area \n2.Rectangle area \n3.Trangle area\n");
    printf("\nEnter your choice\n");
    scanf("%d",&ch);
    switch(ch)
    {
    case 1:
    printf("\nEnter the Radious");
    scanf("%f",&r);
    printf("Area of circal=%f\n",r*r*3.14);
    break;
    case 2:
    printf("\nEnter length and bridth\n");
    scanf("%f%f",&l,&b);
    printf("\nArea of Rectangle=%f\n",l*b);
    break;
    case 3:
    printf("\nEnter higth and length\n");
    scanf("%f%f",&len,&hig);
    tarea=len*hig*1/2;
    printf("\nArea of Trangle=%f\n",tarea);
    break;
    default:
    printf("\nEnter corect choice\n");
    }
    }

    ReplyDelete
  21. Ranjit kalubarme10:56 AM

    /* Switch Case */
    #include
    #include
    #define pi 3.14
    void main()
    {
    float r,A,l,w,B,b,h,C;
    int choice;
    printf("\n\t \n1:Area of circle \n2:Area of rectangle \n3:Area of triangle");
    printf("\n\t Enter your choice:");
    scanf("%d",&choice);

    switch(choice)
    {
    case 1:
    printf("\n\t Enter the radius of circle");
    scanf("%f",&r);
    A=pi*r*r;
    printf("\n\t Area of circle=%f",A);
    break;
    case 2:
    printf("\n\t Enter the length & width of rectangle ");
    scanf("%f%f",&l,&w);
    B=l*w;
    printf("\n\tArea of rectangle=%f",B);
    break;
    case 3:
    printf("\n\t Enter the base & height of triangle");
    scanf("%f%f",&b,&h);
    C=(b*h)/2;
    printf("\n\t Area of triangle=%f",C);
    break;
    default:
    exit(0);
    }
    }

    ReplyDelete
  22. Bhanvase Yashoda11:21 AM

    /* swtch case for area of circle rectangle triangle*/
    #include
    void main()
    {
    int r,l,b,ba,h,ch;
    int ar;
    float ac,at;
    printf("\n\t enter your choice");
    scanf("%d",&ch);
    printf("\n\t 1.area of circle2.area of triangle3.area of rectangle");
    switch(ch)
    {
    case 1:
    printf("\n\t enter the radius");
    scanf("%d",&r);
    printf("\n\t ac=%f",3.14*r*r);
    break;
    case 2:
    printf("\n\t enter base,heihht");
    scanf("%d%d",&ba,&h);
    printf("\n\t at=%f",ba*h*0.5);
    break;
    case 3:
    printf("\n\t enter length,breadth");
    scanf("%d%d",&l,&b);
    printf("\n\t ar=%d",l*b);
    break;
    default:
    printf("\n\t enter correct choice");
    break;

    }













    }

    ReplyDelete
  23. puja khandare11:25 AM

    #include
    void main()
    {
    float r,l,b,h,w;
    int choice;
    printf("\n\t 1.area of circle 2.area of triangle 3.area of reactangle");
    printf("\n\t enter your choice");
    scanf("%d",&choice);
    switch(choice)
    {
    case 1:
    printf("\n\t enter the area of circle");
    scanf("%f",&r);
    printf("\n\t area of circle=%f",3.14*r*r);
    break;
    case 2:
    printf("\n\t enter the area of triangle");
    scanf("%f%f",&l,&b);
    printf("\n\t area of triangle=%f",0.5*l*b);
    break;
    case 3:
    printf("\n\t enter the arae of reactangle");
    scanf("%f%f",&h,&w);
    printf("\n\t area of reactangle=%f",h*w);
    break;
    default:
    printf("\n\t wrong choice");
    break;
    }
    }

    ReplyDelete
  24. saurabh kole12:13 PM

    #include
    #define pi 3.14
    void main()
    {
    int ch;
    float r,l,b,h;
    printf("\n1.Area of circle\n2.Area of Rectangle\n3.Area of Triangle");
    printf("\nEnter your choice:");
    scanf("%d",&ch);
    switch(ch)
    {
    case 1:
    printf("\nEnter a radius of circle=");
    scanf("%f",&r);
    printf("\nArea of circle=%f\n",(pi*r*r));
    break;
    case 2:
    printf("\nEnter a length and breadth=");
    scanf("%f%f",&l,&b);
    printf("\nArea of Rectangle=%f\n",(l*b));
    break;
    case 3:
    printf("\nEnter a base,height=");
    scanf("%f%f%f",&l,&b,&h);
    printf("\nArea of Triangle=%f\n",(0.5*b*h));
    break;
    default:
    printf("\nEnter correct choice\n");
    }
    }

    ReplyDelete
  25. krushna sontakke12:18 PM

    #include
    #define pi 3.14
    void main()
    {
    float r,b,h,l,m;
    int ch;
    printf("\n 1.Area of circle \t 2.Area of tringle \t 3.Area of rectangle");
    printf("\n Enter your choice=");
    scanf("%d",&ch);
    switch(ch)
    {
    case 1:
    printf("\n Enter the value of radius");
    scanf("%f",&r);
    printf("\n Area of circle=%f \t",pi*r*r);
    break;
    case 2:
    printf("\n Enter the values of base & height");
    scanf("%f%f",&b,&h);
    printf("\n Area of tringle=%f \t",0.5*b*h);
    break;
    case 3:
    printf("\n Enter the values of length & width");
    scanf("%f%f",&l,&m);
    printf("\n Area of rectangle=%f \t",l*m);
    break;
    default:
    printf("\n 'Invalid choice' please enter correct choice");
    }
    }

    ReplyDelete
  26. mayuri magar9:27 AM

    #include
    # define pi3.14
    void main()
    {
    float r,l,b,h,len,area;
    int ch;
    printf("\n\t 1]circle 2]rectangle 3]triangle");
    printf("\n\t enter ur choice")
    scanf("%d",&ch);
    switch(ch)
    {
    case 1:
    printf("\n\tenter radius of circle");
    scanf("%f",r);
    printf("radius of circle=%f",pi*r*r);
    break;
    case 2:
    printf("\n\t enter length nd breadth of rectangle");
    scanf("%f%f",&l,&b);
    printf("area of rectangle=%f",l*b);
    break;
    case 3:
    printf("\n\t enter length ,breadth nd hight");
    scanf("%f%f%f",&l,&b,&h);
    area=l*b*h;
    printf(" area of triangle=%f",area);
    break;
    default:
    printf("wrong chioce");
    }
    }

    ReplyDelete
  27. sushma jadhav9:47 AM

    #include
    #define pi 3.14
    void main()
    {
    float r,ln,l,ht,b,ac,ar,at;
    int ch;
    printf("\n 1.circle\2.rectangle\3.triangle");
    printf("\n enter your choice");
    scanf("%d",&ch);
    switch(ch)
    {
    case 1:
    printf("\n enter the radius=");
    scanf("%f",&r);
    printf("\n area of circle=%f",3.14*r*r);
    break;
    case 2:
    printf("\n enter length and breadth=");
    scanf("%f\t%f",&ln,&b);
    printf("\n area of rectangle=%f",ln*b);
    break;
    case 3:
    printf("\n enter length and height=");
    scanf("%f\t%f",&l,&ht);
    printf("\n area of triangle=%f",0.5*l*ht);
    break;
    default:
    printf("\n sorry");
    break;
    }
    }

    ReplyDelete
  28. Awate Snehal10:24 AM

    #include
    void main()
    {
    float r,l,b,h;
    int ch;
    float ac,ar,at;
    printf("\n\t 1.area of circle2.area of rectangle3.area of triangle");
    printf(" enter your choice");
    scanf("%d",&ch);
    switch(ch)
    {
    case 1:
    printf("\n enter radius");
    scanf("%f",&r);
    printf("\n ac=%f",3.14*r*r);
    break;
    case 2:
    printf("\n enter length and breadth");
    scanf("%f%f",&l,&b);
    printf("\n ar=%f",l*b);
    break;
    case 3:
    printf("\n enter breadth and height");
    scanf("%f%f",&b,&h);
    printf("\n at=%f",0.5*b*h);
    break;
    default:
    printf("\n choice is invalide");
    }
    }

    ReplyDelete
  29. rajashree bhosale SE443:59 PM

    #include
    void main()
    {
    float r,b,h,len;
    int ch;

    printf("\n\t select the operation to calculate area\n\t1. Area of circle\n\t2.Area of rectangle\n\t3.Area of rectangle ");
    scanf("%d",&ch);



    switch(ch)

    {
    case 1:
    printf("\n\t Enter the value of radius");
    scanf("%f",&r);
    printf("\n\t the area of circle=%f",3.14*r*r);
    break;
    case 2:
    printf("\n\t Enter the base and height of triangle");
    scanf("%f%f",&b,&h);
    printf("\n\t area of triangle =%f",0.5*b*h);
    break;
    case 3:
    printf(" \n\t enter the length of breadth and rectangle");
    scanf("%f%f",&len,&b);
    printf("\n\t area of triangle =%f",len*b);
    break;

    default:

    printf("Invalid case");
    }
    }

    ReplyDelete
  30. madhuri pujari4:36 PM

    #include
    void main()
    {
    float r,b,h,l;
    int ch;
    printf("\n\t1.Area of Circle\n\t2.Area of Triangle\n\t3.Area of Rectangle");
    scanf("%d",&ch);

    switch(ch)
    {
    case 1:
    printf("Enter value of Radius");
    scanf("%f",&r);
    printf("Area of Circle:%f",3.14*r*r);
    break;
    case 2:
    printf("Enter base and height");
    scanf("%f%f",&b,&h);
    printf("Area of Triangle:%f",0.5*b*h);
    break;
    case 3:
    printf("Enter length and breadth");
    scanf("%f%f",&l,&b);
    printf("Area of Rectangle:%f",l*b);
    break;
    default:
    printf("Invalid Case");
    }
    }

    ReplyDelete
  31. Awate Snehal12:12 PM

    #include
    void main()
    {
    float r,l,b,h;
    int ch;
    float ac,ar,at;
    printf("\n\t 1.area of circle2.area of rectangle3.area of triangle");
    printf(" enter your choice");
    scanf("%d",&ch);
    switch(ch)
    {
    case 1:
    printf("\n enter radius");
    scanf("%f",&r);
    printf("\n ac=%f",3.14*r*r);
    break;
    case 2:
    printf("\n enter length and breadth");
    scanf("%f%f",&l,&b);
    printf("\n ar=%f",l*b);
    break;
    case 3:
    printf("\n enter breadth and height");
    scanf("%f%f",&b,&h);
    printf("\n at=%f",0.5*b*h);
    break;
    default:
    printf("\n choice is invalide");
    }
    }

    ReplyDelete
  32. Wadegonkar Aishwarya12:17 PM

    /*To calculate Areas of circle ,triangle,rectangle by using switch case , 20-7-16 */
    #include
    void main()
    {
    float r,l,b,h,len;
    int choice;
    printf("\n\t1.Area of circle,2.Area of triangle,3.Area of rectangle");
    printf("\n\t Enter ur choice");
    scanf("%d",&choice);
    switch(choice)
    {
    case 1:
    printf("\n\tEnter radius");
    scanf("%f",&r);
    printf("Area of circle=%f",3.14*r*r);
    break;
    case 2:
    printf("\n\tEnter length and breadth");
    scanf("%f%f",&l,&b);
    printf("\n\tArea of rectangle=%f",1/2*l*b);
    break;
    case 3:
    printf("\n\tEnter length and height");
    scanf("%f%f",&len,&h);
    printf("\n\tArea of rectangle=%f",len*h);
    break;
    default:
    printf("\n\tInvalid case");
    }
    }

    ReplyDelete
  33. sachita jadhav12:04 PM

    #include
    void main()
    {
    int choice;
    float r,l,b,h,t;
    printf("\n\t1.area of circle 2.area of triangle 3.area of rectangle");
    printf("\n\tenter ur choice");
    scanf("%d",&choice);
    switch(choice)
    {
    case 1:
    printf("\n\t enter radius");
    scanf("%f",&r);
    printf("\n\t area of circle=%f",3.14*r*r);
    break;
    case 2:
    printf("\n\t enter height ,base");
    scanf("%f%f",&h,&t);
    printf("\n\t area of triangle=%f",0.5*h*t);
    break;
    case 3:
    printf("\n\t enter length,breadth");
    scanf("%f%f",&l,&b);
    printf("\n\t area of rectangle=%f",l*b);
    break;
    default :
    printf("\n\t wrong choice");
    break;
    }
    }

    ReplyDelete
  34. yogesh11:48 AM

    #include
    # define pi3.14
    void main()
    {
    float r,l,b,h,len,area;
    int ch;
    printf("\n\t 1]circle 2]rectangle 3]triangle");
    printf("\n\t enter ur choice")
    scanf("%d",&ch);
    switch(ch)
    {
    case 1:
    printf("\n\tenter radius of circle");
    scanf("%f",r);
    printf("radius of circle=%f",pi*r*r);
    break;
    case 2:
    printf("\n\t enter length nd breadth of rectangle");
    scanf("%f%f",&l,&b);
    printf("area of rectangle=%f",l*b);
    break;
    case 3:
    printf("\n\t enter length ,breadth nd hight");
    scanf("%f%f%f",&l,&b,&h);
    area=l*b*h;
    printf(" area of triangle=%f",area);
    break;
    default:
    printf("wrong chioce");
    }
    }

    ReplyDelete

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