1. Write a program to calculate the area of a circle where radius is passed as a parameter.

                   Class-10 Computer







#include<stdio.h>

inti main () {

    float radius, area_circle;

// take radius as input

Printf (" Enter the radius of circle:");

Scanf ("%f", & radius);

area_circle = 3.14 * radius^2 ;

Printf (" Area of circle: %f", area_circle);


return 0 ;

}