In a circle with centre

MATHEMATICS · Single correct · CBSE · Mathematics · Circles · Circles

Problem

In a circle with centre OO, chords PQPQ and RSRS subtend angles (3x+10)∘(3x+10)^\circ and (5x−20)∘(5x-20)^\circ respectively at OO. If the two chords are equal in length, what is the value of xx? (a) 2424 (b) 1515 (c) 1010 (d) 4646

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