# CBSE Class 10 Maths Tangents to A Circle

## Q.

If two parallel tangents PQ and RS touch the circle C at A and B, respectively, then AB is the ___ of the circle.

## Q.

Two concentric circles have centre O. A chord PQ of the larger circle is bisected by the smaller circle at point R, so PQ is ____ to the smaller circle.

## Q.

By which of the following properties is ∆OPR congruent to ∆OQR?

## Q.

OA = 17 cm and AB = 8 cm. Find OB.

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