Q. 12 D5.0( 3 Votes )

In the adjoining figure, two tangents drawn from external point C to a circle with centre O touches the circle at the points P and Q respectively. A tangent drawn at another point R of a circle intersects CP and CA at the points A and B respectively. If CP = 11 cm. and BC = 7cm, let us determine the length of BR.


Answer :

CP = CQ = 11 cm (Tangents drawn from an external point to the same circle are always equal)


BC = 7 cm (Given)


BQ = (CQ-BC) = 4 cm


BQ = BR (Tangents drawn from an external point to the same circle are always equal)


BR = 4 cm


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