Question on: JAMB Mathematics - 1992

In the figure, PQr is a semicircle while PQ and Qr are chords. QS is the perpendicular from Q to the diameter PR. What is the expression for QS?

A

QS = PS\(\sqrt{SR}\)

B

QS = \(\sqrt{(PS SR)}\)

C

QS = 2\(\sqrt{(PS SR)}\)

D

QS = \(\frac{1}{\sqrt{2}}\)\(\sqrt{(PS SR)}\)

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Correct Option: B

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