5. Draw a class diagram to model Geometric Object and triangles. In addition to triangle, the diagram should model rectangle, square, oval, and circle. However, not all objects can be coloured. Only rectangles, squares and triangles can be coloured. Ovals and circles can change their thickness styles. All objects should be have getPerimeter, getArea and toString methods. Your class diagram should use the design principles that we studied in class, including using inheritance and interfaces whenever possible