A) 15 cm
B) 10 cm
C) 30 cm
D) 25 cm
Correct Answer: C
Solution :
\[O{{Q}^{2=}}OA+A{{Q}^{2}}\] [By pytheigoras theorem] \[{{17}^{2}}={{8}^{2}}+A{{Q}^{2}}\] \[AQ=\sqrt{{{17}^{2}}-{{8}^{2}}}=15\,cm\] \[PQ=AQ=30\,cm\] [\[\because \] Perpendicular from the centre to a chard bisects the chard]
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