PQ is a tangent and OQ the radius of a circle ( see given figure) if PQ = 12cm and PO = 15 cm, find the radius of circle
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Answer:
Radius =9 cm
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Given information
PQ (P)=12CM
OP(H)=15CM
OQ(B that is radius)=?
PO²=OP²+OQ²
225=B²+144
B²= 225-144
B² =81
B (RADIUS) =9 CM
ANS = 9CM
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