Triangle PQR has vertices P(2,3), Q(6,-1) and R(k,5)

MATHEMATICS · Subjective · CBSE · Mathematics · Coordinate Geometry · Coordinate Geometry

Problem

Triangle PQR has vertices P(2,3), Q(6,-1) and R(k,5). The area of triangle PQR is 20 square units and the point R lies in the first quadrant. Find the value of k.

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