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Q2. Let p, q, and r be the lengths of the sides opposite to the angles P, Q, and R, respectively, in a triangle PQR. If r2 sin P sin Q = pq, then the triangle is:

Mathematics — NUST Mock By IBAGRADS 4 — Question 2 of 200

A. Equilateral
B. Acute angled but not equilateral
C. Obtuse angled
D. Right angled

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