Two circles with centres C1 and C2 touch externally at a point A A line through A is drawn - Maths - Circles

Question

Two circles with centres C1 and C2 touch externally at a point A A
line through A is drawn to intersect these circles at B and C prove
that the tangents at B and C are parallel

Abhishek Kr. Jha · Accepted Answer

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Two circles with centres C1 and C2 touch externally at a point A. A line through A is drawn to intersect these circles at B and C.prove that the tangents at B and C are parallel.