Q.: Write C program to calculate the area of circle.
In C Programming, It is always a program which says to calculate area of circle. We can get the area of circle using following formula.
Area of Circle = pi * radius * radius
where, pi=3.14.
Source Code:
#include<stdio.h>
#include<conio.h>
void main()
{
float rad, area;
clrscr();
printf("nnt Enter the Radius of Circle : ");
scanf("%f",&rad);
area = 3.14 * rad * rad;
printf("nnt Area of Circle : %f",area);
getch();
}
Output:
Fig.: Calculate Area of Circle in C Programming
