3.07 - Double

Objetive
Calculate the perimeter, area and diagonal of a rectangle, given its width and its height.

(Hint: use y = Math.Sqrt(x) to calculate a square root)


Solution
using System;
public class Conditional
{
    public static void Main()
    {
        double a, b;
        double area, perimeter, diagonal;

        Console.Write("Enter the width: ");
        a = Convert.ToDouble(Console.ReadLine());
        
        Console.Write("Enter the height: ");
        b = Convert.ToDouble(Console.ReadLine());
        
        perimeter = a*2 + b*2;
        Console.WriteLine("Perimeter: {0}", perimeter);
        
        area = a*b;
        Console.WriteLine("Area: {0}", area);
        
        diagonal = Math.Sqrt(a*a + b*b);
        Console.WriteLine("Diagonal: {0}", diagonal);

    }
}

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