Two chord PQ and PR of a circle are mutually perpendicular to each other .if the length of the radius of the circle is r cm, let us find the length of the chord QR?

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Alan P. Share
Feb 9, 2018

$\left\mid Q R \right\mid = 2 r \text{ cm.}$

Explanation:

If $P Q$ and $P R$ are mutually perpendicular cords of a circle
then $Q R$ is a bisector of the circle.

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