c program to find area of circle
#include <stdio.h>
#define PI 3.142
int main(){
float R, A;
printf("Enter the radius: \n");
scanf("%f", &R);
A = PI * R * R;
printf("Area is: %f\n", A);
}c program to find area of circle
#include <stdio.h>
#define PI 3.142
int main(){
float R, A;
printf("Enter the radius: \n");
scanf("%f", &R);
A = PI * R * R;
printf("Area is: %f\n", A);
}Area of a Circle in C Programming
#include<stdio.h>
int main()
{
double R, A;
scanf("%lf", &R);
A = 3.14159 * R * R;
printf("A=%.4lf\n", A);
return 0;
}Copyright © 2021 Codeinu
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