waecmaths question:
In the diagram, MOPQ is a trapezium with $QP\parallel MO,$$MQ\parallel NP$$NQ\parallel OP$. $\left| OP \right|=9cm$and the height of $\vartriangle QNP=6cm$. Calculate the area of the trapezium
Option A:
96cm2
Option B:
90cm2
Option C:
81cm2
Option D:
27cm2
waecmaths solution:
$Area=\tfrac{1}{2}(a+b)h=\tfrac{1}{2}(9+18)\times 6=81c{{m}^{2}}$
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