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Accept a figure code and find the areas of different geometrical figures

/* Write a C program to accept a figure code and find the ares of different *
 * geometrical figures such as circle, square, rectangle etc using switch   */

#include <stdio.h>

void main()
{
int fig_code;
float side,base,length,bredth,height,area,radius;

printf("-------------------------\n");
printf(" 1 --> Circle\n");
printf(" 2 --> Rectangle\n");
printf(" 3 --> Triangle\n");
printf(" 4 --> Square\n");
printf("-------------------------\n");

printf("Enter the Figure code\n");
scanf("%d",&fig_code);

switch(fig_code)
{
case 1: printf("Enter the radius\n");
scanf("%f",&radius);
area=3.142*radius*radius;
printf("Area of a circle=%f\n", area);
break;

case 2: printf("Enter the bredth and length\n");
scanf("%f %f",&bredth, &length);
area=bredth *length;
printf("Area of a Reactangle=%f\n", area);
break;

case 3: printf("Enter the base and height\n");
scanf("%f %f",&base,&height);
area=0.5 *base*height;
printf("Area of a Triangle=%f\n", area);
break;

case 4: printf("Enter the side\n");
scanf("%f",&side);
area=side * side;
printf("Area of a Square=%f\n", area);
break;

default: printf("Error in figure code\n");
break;

} /* End of switch */

} /* End of main() */
/*----------------------------------------------------
Output
Run 1
-------------------------
1 --> Circle
2 --> Rectangle
3 --> Triangle
4 --> Square
-------------------------
Enter the Figure code
2
Enter the bredth and length
2
6
Area of a Reactangle=12.000000

Run 2
-------------------------
1 --> Circle
2 --> Rectangle
3 --> Triangle
4 --> Square
-------------------------
Enter the Figure code
3
Enter the base and height
5
7
Area of a Triangle=17.500000

------------------------------------------------------*/