The vertices of triangle PQR are P(1,4), Q(5,−2) and R(−3,−2).

MATHEMATICS · Multi-part · CBSE · Mathematics · Coordinate Geometry · Coordinate Geometry

Problem

The vertices of triangle PQR are P(1,4), Q(5,−2) and R(−3,−2). (i) Calculate the lengths of all three sides PQ, QR and RP. (ii) Verify whether triangle PQR is right-angled. (iii) Further, classify triangle PQR as equilateral, isosceles or scalene, giving reasons for your classification.

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