The distance between the centre O of a circle and an external point P is 15 cm

MATHEMATICS · Subjective · CBSE · Mathematics · Circles · Circles

Problem

The distance between the centre O of a circle and an external point P is 15 cm. If the length of the tangent drawn from P to the circle is 9 cm, determine the radius of the circle.

Related theory

Pythagoras' Theorem
Triangle Properties
Circles
Tangent length properties
Tangent theorem (radius perpendicular to tangent)

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