The vertices of a triangle are P(1, -1), Q(4, 3) and R(7, -1)

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

Problem

The vertices of a triangle are P(1, -1), Q(4, 3) and R(7, -1). Determine whether ΔPQR is right-angled, giving suitable calculations based on side lengths.

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