the tangent at a point P to a circle with centre O cuts a line through O at Q such that PQ=24 cm and OQ=25 cm. Find the radius of the circle.
5 cm
7 cm
10 cm
49 cm
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Step-by-step explanation:
cm
PQ = 24 cm
In Right Angle Triangle OPQ
=> (OQ)2 = (OP)2 + (PQ)2
=> (OQ)2 = 49 + 576
=> (OQ)2 = 625
=> OQ = 25
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