A point P is 5 cm from the centre of a circle of radius 3 cm. Without drawing, find the length of each tangent from P.

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

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Answer: 4 cm

Tangent ⊥ radius, so \(PA^2 = 5^2 - 3^2 = 16\) \(\therefore PA = 4\) cm. Use such a value to check your construction.

Doubtly AI · 29 Oct 2026 AI-generated · not yet verified Report

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