lesson11: secant- secant and secant-tangent segments
Channel: Chelsea Northrop
Date: 2017-05-08

Unit 9: circles
Lesson 11: Secant-secant and secant tangent segments
Mrs. Northrop's Geometry Enriched at Binghamton High School
Please note, the proof diagram for Secant-Secant angles is drawn INCORRECTLY. The two triangles should be Triangle DBF and triangle DEA!!