Answer to Question #254235 in C for Ammar

Question

Write a C program that takes in the radius (as in integer) of a circle from user and calculate and display the area of the circle

Answer 1

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




int main(){
	const double PI = 3.1416;
	double r;
	double area;
	printf("Enter a radius of a circle: ");
	scanf("%lf",&r);
	area = PI * r * r;


	printf("The area of a circle: %.2f\n",area);






	getchar();
	getchar();


	return 0;
}