A tangent PQ at point P of a circle meets a line through the centre O at point Q, so that OQ = 12cm and PQ= 119 cm. Find the diameter of circle?
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rohit345269:
R =D÷2,12=D÷2 ,D =12×2 =24
Answers
Answered by
1
Answer:
Given,
Radius OP=5cm and OQ=12cm
PQ is the tangent to the circle. So, by Pythagoras theorem we get,
ZOP Q = 90°
PQ2 = OQ? OP?
=> PQ2 = 122 – 52
=> PQ? = 144 – 25
=> PQ? = 119
=> PQ = v119cm
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Answered by
1
Answer:
diameter of the circle is 24
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