Question
Triangle CDE and triangle FDE share the same base DE. The height of the triangle CDE is 4 times the height of Triangle FDE. Given that FG is 4 m and DE is 15 m, find the area of the shaded part.
4 m

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Triangle CDE and triangle FDE share the same base DE. The height of the triangle CDE is 4 times the height of Triangle FDE. Given that FG is 4 m and DE is 15 m, find the area of the shaded part.