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In the given figure o is the centre of t...

In the given figure o is the centre of the two concentric circles. A line T cuts the circles at A, B, C and D as shown in the figure. OP is perpendicular to AD.
Given OA = 34 cm, OP = 16 cm and AB = 18 cm Find :
radius of the smaller circle

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The correct Answer is:
`OB = 20 cm`
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ICSE-CIRCLES -TOPIC-2
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