volume of box,sphere,prism,cylinder

A program that tells volume of box , sphere , prism , cylinder



#include <stdio.h>
#include <stdlib.h>

int main()
{
    float length,width,height,box,radius,sphere,bt,ht,htp,prism,rc,hc,cylinder; char vol;

printf("Enter (b for box,  s for sphere,   p for prism,   c for cylinder): ");
scanf("%c",&vol);
if (vol=='b')
  {    /*For box*/
      printf("Enter Length: ");
  scanf("%f",&length);
  printf("Enter Width: ");
  scanf("%f",&width);
  printf("Enter height: ");
  scanf("%f",&height);
  box=length*width*height;    /*Volume of box=l*w*h.*/
  printf("Volume of box is: %f",box);
  }
  else if(vol=='s')
  /*For sphere*/
  {printf("Enter Radius: ");
  scanf("%f",&radius);
  sphere=1.33*3.14*(radius*radius*radius);      /*volum of sphere =4/3*pi*r3*/
  printf("Volume of sphere: %f",sphere);
  }
  else if(vol=='p')
  { /*For prism*/
      printf("Enter length of the base of the triangle: ");
  scanf("%d",&bt);
  printf("Enter height of the triangle: ");
  scanf("%d",&ht);
  printf("Enter height of the triangular prism: ");
  scanf("%d",&htp);
  prism=(0.5*bt*ht)*htp;   /*1/2*b*h*H*/
  printf("Volume of prism: %f",prism);
  }
  else if (vol=='c')
  {   /*for cylinder*/
      printf("Enter radius of the circle of the base: ");
  scanf("%d",&rc);
  printf("Enter height of the cylinder: ");
  scanf("%d",&hc);
  cylinder=3.14*(rc*rc)*hc;   /*pi*r2*H*/
  printf("Volume of cylinder: %d",cylinder); }

return 0;
getch();
}