Program in C that reads radius of a circle and calculates its area
The below program in C will accepts the radius of a circle from the user and calculates its area and displays the calculated result to the user on the screen.
Explanation
Step 1: Read the radius
Step 2: Calculate the area by applying the formula: Area = (pi)*r2 = 3.14 * r2
#include<stdio.h>
#include<conio.h>
void main()
{
float radius, area;
printf("Radius = ?");
scanf("%f", &radius);
//calculate the area
area = 3.14 * radius * radius;
//display the calculated result
printf("Area = %f", area);
getch();
}
Output:
Radius = ?5 Area = 78.500000
1 Response
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