Mathematics · Geometry

From an external point P, a tangent PT and a secant PAB are drawn to a circle, where A and B are points on the circle. If PT = 12 cm and PB = 24 cm, then find the length of AB.

Verified Solution4 OptionsUpdated: October 2026👁️1 View

124 cm
218 cm✓
316 cm
412 cm

Correct answer

18 cm

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From an external point P, a tangent PT and a secant PAB are drawn to a circle, where A and B are points on the circle. If PT = 12 cm and PB = 24 cm, then find the length of AB.

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From an external point P, a tangent PT and a secant PAB are drawn to a circle, where A and B are points on the circle. If PT = 12 cm and PB = 24 cm, then find the length of AB.

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