To find area of a circle using function
Topics Covered:
- To find area of a room using function
- To find volume of a room using function
- To find simple interest using function
- To find area of a circle using function
//to find area of a room using function
#include<conio.h>
#include<stdio.h>
void area(void);//function prototype
int main()
{
area();//function call
return 0;
}
void area(void)//function definition
{
float l,b,a;
printf(“enter length of a room”);
scanf(“%f”,&l);
printf(“enter breadth of a room”);
scanf(“%f”,&b);
a=l*b;
printf(“area of a room=%.2f”,a);
}
//to find volume of a room using function
#include<conio.h>
#include<stdio.h>
void volume(void);
int main()
{
volume();
return 0;
}
void volume(void)
{
float l,b,h,v;
printf(“enter length of a room”);
scanf(“%f”,&l);
printf(“enter breadth of a room”);
scanf(“%f”,&b);
printf(“enter height of a room”);
scanf(“%f”,&h);
v=l*b*h;
printf(“volume of a room=%.2f”,v);
}
//to find simple interest using function
#include<conio.h>
#include<stdio.h>
void si(void);
int main()
{
si();
return 0;
}
void si(void)
{
float p,t,r,i;
printf(“enter principal amount”);
scanf(“%f”,&p);
printf(“enter required time”);
scanf(“%f”,&t);
printf(“enter rate of interest”);
scanf(“%f”,&r);
i=(p*t*r)/100;
printf(“simple interest=%.2f”,i);
}
//to find area of a circle using function
#include<conio.h>
#include<stdio.h>
void area(void);
int main()
{
area();
return 0;
}
void area(void)
{
float pi=3.14,r,a;
printf(“enter radius of a circle”);
scanf(“%f”,&r);
a=pi*r*r;
printf(“area of a circle=%.2f”,a);
}
