Math 010: Chapter 9 Geometry Lines, figures, & triangles. November 25, 2013. 9.1 Intro to Geometry (Lines & Angles). Lines have infinite length, they go on forever Line segments have a finite length The length of a segment is denoted by the two endpoints. AB = distance between A and B
November 25, 2013
A right triangle has one right (90˚) angle.
= 2 cm + 6 cm + 2 cm + 6 cm = 16 cm