Math, asked by sonamdhera6308, 10 months ago

Tangent from common chord of two intersecting circles formula

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Answered by Anonymous

Consider PT be a tangent to the circle from an external point P and a secant to the circle through P intersects the circle at points A and B, then PT2 = PA × PB . This property is used to solve the given question. Let the two circles intersect at points X and Y. XY is the common chord.

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