Finding the length of a tangent from a given point to a circle.
Keywordsgeometry, circle, tangent line, circle geometry, tangent line example, circle geometry example, finding tangent length, length of tangent, tangent length
William Briggs, G.H. Bryan The Elements of Coordinate Geomentry Part 1. The Equations and Properties of the right line and circle (, : University Correspondence College Press Warehouse, ) 165