Computer Science » C Program » Area of Circle
Definition :
1. Ellipse in which the two axes are of equal length.
2. Plane curve generated by one point moving at a constant distance from a fixed point.
3. You can compute the area of a Circle if you know its radius.
Image :
Formula :
area (A) = πr²
Where,
A is the area of the Circle
r is the radius of the Circle
Program :
#include<stdio.h>
int main() {
int radius;
float area;
printf("nEnter the radius of Circle : ");
scanf("%d", &radius);
area = 3.14 * radius * radius;
printf("nArea of Circle : %f", area);
return (0);
}Output :
Enter the radius of Circle : 2.0 Area of Circle : 12.56
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