Question

write a program in java to accept the length and breath of a rectangle and find it's area, perimeter,diagonal​

Answer 1

Answer:

Rectangle is a parallelogram with opposite sides of equal length and with all right angles (90) Following image shows you how a Rectangle looks like

info-about-image

Following is the Java program that takes Length, Breadth as inputs and compute Area, Perimeter & Length of diagonal of a Rectangle

import java.util.Scanner;

public class AreaAndPerimeterOfRectangle {

public static void main(String[] args) {

// Taking inputs from user

Scanner sc = new Scanner(System.in);

System.out.print("Enter the Length: ");

double length = sc.nextDouble();

System.out.print("Enter the Breadth: ");

double breadth = sc.nextDouble();

sc.close();

double area = length * breadth;

double perimeter = 2 * (length + breadth);

double diagonal = Math.sqrt((length * length) + (breadth * breadth));

System.out.println("Area: " + area);

System.out.println("Perimeter: " + perimeter);

System.out.println("Length of diagonal: " + diagonal);

}

}

Output

Enter the Length: 4

Enter the Breadth: 3

Area: 12.0

Perimeter: 14.0

Length of diagonal: 5.0

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