Question
Triangle ZAB and triangle CAB share the same base AB. The height of the triangle ZAB is 4 times the height of Triangle CAB. Given that CD is 3 cm and AB is 17 cm, find the area of the shaded part.
4 m

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Triangle ZAB and triangle CAB share the same base AB. The height of the triangle ZAB is 4 times the height of Triangle CAB. Given that CD is 3 cm and AB is 17 cm, find the area of the shaded part.