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Construct trapezium PQRS where PQ is parallel to SR, PQ=7cm,Q=60°, QR=5cm and RS=4cm.Calculate its area.
7 years ago

Answers

Steve
the altitude is QR sin 60° = 5 * √3/2
So, the area is

A = (B+b)/2 * h = (4+7)/2 * 5/2 √3 = 55√3/4
7 years ago

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