A point P is 13 cm from the centre of a circle of radius 5 cm. Find the length of the tangent segment from P to the circle.

Doubtly Asked 29 Oct 2026 Practice test ssc 10th Save WhatsApp Report

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Answer: 12 cm

The radius is perpendicular to the tangent at the point of contact, so \(PT^2 = 13^2 - 5^2 = 169 - 25 = 144\) \(\therefore PT = 12\) cm.

Doubtly AI · 29 Oct 2026 AI-verified · Nov 2026 Report

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