Question
Triangle MNP and triangle QNP share the same base NP. The height of the triangle MNP is 4 times the height of Triangle QNP. Given that QR is 5 cm and NP is 19 cm, find the area of the shaded part.
4 m

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Triangle MNP and triangle QNP share the same base NP. The height of the triangle MNP is 4 times the height of Triangle QNP. Given that QR is 5 cm and NP is 19 cm, find the area of the shaded part.