Question
Triangle HJK and triangle LJK share the same base JK. The height of the triangle HJK is 4 times the height of Triangle LJK. Given that LM is 3 m and JK is 16 m, find the area of the shaded part.
4 m

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Triangle HJK and triangle LJK share the same base JK. The height of the triangle HJK is 4 times the height of Triangle LJK. Given that LM is 3 m and JK is 16 m, find the area of the shaded part.