Question
Triangle EFG and triangle HFG share the same base FG. The height of the triangle EFG is 4 times the height of Triangle HFG. Given that HJ is 5 m and FG is 16 m, find the area of the shaded part.
4 m

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Triangle EFG and triangle HFG share the same base FG. The height of the triangle EFG is 4 times the height of Triangle HFG. Given that HJ is 5 m and FG is 16 m, find the area of the shaded part.