Correct Answer: Option C

Explanation

Area of triangle PQR = \(\frac{1}{2}\) x QR x Pc

Where QR = base of triangle PQR, Pc = height of triangle PQR

Area of triangle PQR = \(\frac{1}{2}\) x 20 x 13 = 10 x 13 = 130cm\(^2\).

There is an explanation video available below.

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