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C Program to find area of Circle (Use Constant)

Get radius of circle and find area of circle.

Sample Input 1:


Sample Output 1:


Program or Solution


int main()

	const float pi=3.14;
	int radius;
	float area;
	printf("Enter Radius:");

	area=pi * (radius * radius);
	printf("Area of Circle: %.2f",area);
	return 0;


Program Explanation

Get radius of a circle (using scanf statement)

Calculate area by multiplying pi and radius and radius (area =pi*radius*radius) (pi is 3.14 , global constant) print area (using printf statement)