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 = \(\frac{1}{\sqrt{2}}\)\(\sqrt{(PS SR)}\)
Correct Answer: Option B
Explanation
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