Question: Join the following Java classes into a hierarchy following UML guidelines. All three of these subclasses should have methods called calculatePerimeter() and calculateArea() that return

Join the following Java classes into a hierarchy following UML guidelines. All three of these subclasses should have methods called calculatePerimeter() and calculateArea() that return a double value. If the sub classes are shown on the same level, then they share a parent class. The superclass should only contain attributes or functionality that are contained in all 3 subclasses.

Shape - Superclass
Triangle - Subclass	Rectangle - Subclass	Circle - Subclass

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