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This document discusses properties of tangents and secants to circles. It contains 3 theorems: 1) If PAB is a secant and PT is a tangent, then PA × PB = PT2. 2) If a chord is drawn through the point of contact of a tangent, the angles it makes with the tangent are equal to the angle in the alternate segment. 3) If TP is a tangent and PAB is a secant, and the bisector of <ATB intersects AB at M, then <PMT = <PTM and PT = PM. It also contains a figure showing two circles cut at A and B, with a line PAQ cuttin

Author

Usha

Language

EN