If radii of the two concentric circles are 15cm and 17cm

MATHEMATICS · Subjective · CBSE · Mathematics · Circles · Circles

Problem

If radii of the two concentric circles are 15cm and 17cm, then the length of each chord of one circle which is tangent to other is (A) 8cm (B) 16cm (C) 30cm (D) 17cm

Related theory

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

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