Chapter - 1: Getting Started

The length & breadth of a rectangle and radius of a circle are input through the keyboard. Write a program to calculate the area & perimeter of the rectangle, and the area & circumference of the circle.


C
Sections
5
Exercises

A

B

C

1

2

3

4

5

6

7

#include<stdio.h>
#include<conio.h>
int main()
{
	float l,b,r;
	
	printf("Enter the length and breadth of the rectangle : ");
	scanf("%f%f", &l,&b);
	
	//rectangle calculations
	printf("\n%f is the area of the rectangle.", l*b);
	printf("\n%f is the perimeter of the rectangle.", l+b);
	
	//circle calculations
	printf("\n\nEnter the radius of the circle : ");
	scanf("%f", &r);
	printf("\n%f is the area of the circle.", 3.14*r*r);
	printf("\n%f is the perimeter of the circle.", 2*3.14*r);
	
	getch();
	return 0;
}

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