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Define an abstract class Shape with abstract method CalculateSurface() and fields width and height. Define two additional classes for a triangle and a rectangle, which implement CalculateSurface(). This method has to return the areas of the rectangle (hei

Clumsy Crane answered on June 25, 2022 Popularity 1/10 Helpfulness 1/10

answer Define an abstract class Shape with abstract method CalculateSurface() and fields width and height. Define two additional classes for a triangle and a rectangle, which implement CalculateSurface(). This method has to return the areas of the rectangle (hei

Define an abstract class Shape with abstract method CalculateSurface() and fields width and height. Define two additional classes for a triangle and a rectangle, which implement CalculateSurface(). This method has to return the areas of the rectangle (hei

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using System;


namespace App
{
    class Program
    {
        abstract class Shape
        {
            public double width;
            public double height;
            public virtual double CalculateSurface() {
                return 0;
            }
        }


        class Rectangle : Shape
        {


            public override double CalculateSurface()
            {
                return height * width;
            }
        }
        class Triangle : Shape
        {


            public override double CalculateSurface()
            {
                return height * width / 2;
            }
        }
        class Circle : Shape
        {


            public Circle(double radius)
            {
                this.height = radius;
                this.width = radius;
            }


            public override double CalculateSurface()
            {
                return Math.PI * height * width;
            }
        }




        static void Main(string[] args)
        {
            Shape[] shapes = new Shape[3];
            shapes[0] = new Rectangle();
            shapes[0].height = 5;
            shapes[0].width = 4;


            shapes[1] = new Triangle();
            shapes[1].height = 5;
            shapes[1].width = 4;


            shapes[2] = new Circle(5);




            for (int i = 0; i < 3; i++) {
                Console.WriteLine("Surface: {0}", shapes[i].CalculateSurface());
            }


                Console.ReadLine();
        }
    }
}

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Tags: abstract abstract-class areas return this triangle whatever width

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Contributed on Jun 25 2022

Clumsy Crane

0 Answers Avg Quality 2/10

Define an abstract class Shape with abstract method CalculateSurface() and fields width and height. Define two additional classes for a triangle and a rectangle, which implement CalculateSurface(). This method has to return the areas of the rectangle (hei

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