Area of a Circle calculation C Program

C Programs / Area of a Circle calculation C Program

Program Name

Write a C Program for Area of a Circle calculation.

Theory

Program Code



#include<stdio.h>
int main()
{

float circlearea,circleradius,pi,circleperimeter; 
pi=3.14;
printf("Enter Radius Value:\n");
scanf("%f",&circleradius);//
circlearea=pi*circleradius*circleradius;
circleperimeter=2*pi*circleradius;
printf("Circle Area=%f\n",circlearea);
printf("Circle Perimeter=%f",circleperimeter);
return 0;
}

Input
Enter Radius Value: 10

Output
Circle Area= 314.000000
Circle Perimeter= 62.800003

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