Area and Perimeter

Write a program to find the area and perimeter of a circle and rectangle.

#include<stdio.h>
#define PI 3.14
int main()
{
	float r,l,b;
	printf("Length = ");
	scanf("%f",&l);
	printf("Breadth = ");
	scanf("%f",&b);
	printf("Radius = ");
	scanf("%f",&r);
	printf("Perimeter of rectangle = %f Area = %f\n",2*(l+b),(l*b));
	printf("Perimeter of circle    = %f Area = %f\n",2*PI*r,PI*r*r);
	return 0;
}

Output

Length = 4
Breadth = 5
Radius = 3
Perimeter of rectangle = 18.000000 Area = 20.000000
Perimeter of circle = 18.840000 Area = 28.260000