Length of a tangent segments drawn from a point which is at distance 12.5 centimetre from the centre of the circle is 12 find the diameter of the circle
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Answer:
Final Answer : 7 cm
Steps:
1) Let external point be B, & OA be radius of circle.
Given:
OB = 12.5cm
AB = 12cm
In right traiangle , ΔAOB, by Pythagoras Theorem ,
Hence,Diameter =2*3.5=7 cm
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