C# project - Create an application named ShapesDemo that creates several objects
ID: 3763621 • Letter: C
Question
C# project - Create an application named ShapesDemo that creates several objects that descend from an abstract class called GeometricFigure. Each GeometricFigure includes a height, a width, and an area. Provide get and set accessors for each field except area; the area is computed and is read-only. Include an abstract method calledComputeArea() that computes the area of the geometricFigure. Create three additional classes:
a. A Rectangle is a GeometricFigure whose area is determined by multiplying width by height.
b. A Square is a Rectangle in which the width and height are the same. Provide a constructor that accepts both height and width, forcing them to be equal if they are not. Provide a second constructor that accepts just one dimension and uses it for both height and width. The Square class uses the Rectangle’s ComputeArea() method.
c. A Triangle is a GeometricFigure whose area is determined by multiplying the width by half the height.
In the ShapesDemo class, after each object is created, pass it to a method that accepts a GeometricFigure argument in which the figure’s data is displayed. Change some dimensions of some of the figures and pass each to the display method again.
Explanation / Answer
a. A Rectangle is a GeometricFigure whose area is determined by multiplying width by height.
b. A Square is a Rectangle in which the width and height are the same. Provide a constructor that accepts both height and width, forcing them to be equal if they are not. Provide a second constructor that accepts just one dimension and uses it for both height and width. The Square class uses the Rectangle’s ComputeArea() method.
c. A Triangle is a GeometricFigure whose area is determined by multiplying the width by half the height.
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