Question
Triangle LMN and triangle PMN share the same base MN. The height of the triangle LMN is 4 times the height of Triangle PMN. Given that PQ is 4 m and MN is 18 m, find the area of the shaded part.
4 m

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Triangle LMN and triangle PMN share the same base MN. The height of the triangle LMN is 4 times the height of Triangle PMN. Given that PQ is 4 m and MN is 18 m, find the area of the shaded part.