Question: .In C++. Design a program that defines a shape class with a constructor that gives value to width and height. Then, define two sub-classes triangle

.In C++. Design a program that defines a shape class with a constructor that gives value to width and height. Then, define two sub-classes triangle and rectangle, that calculate the area of the shape area (). In the main function, define two variables a triangle and a rectangle and then call the area() function in this two varibles.

Area of a triangle is calculated as: height * base / 2 (in this case the base is width)

Area of a rectangle is calculated as: height * width (or length * width)

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