The radii of two concentric circles are 15 cm and 24 cm

MATHEMATICS · Subjective · CBSE · Mathematics · Circles · Circles

Problem

The radii of two concentric circles are 15 cm and 24 cm. From an external point P, tangents are drawn to each circle, and the difference between the lengths of these tangents is 13 cm. Find the distance of P from the common centre.

Related theory

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

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