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in Mathematics by (88.9k points)

Let PQ and RS be tangents at the extremities of the diameter PR of a circle of radius r. If PS and RQ intersect at a point X on the circumference of the circle, then 2r equals

1 Answer

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by (79.0k points)
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Best answer

Correct option: (a)

Explanation:

From figure it is clear that ΔPRQ and ΔRSP are similar.

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