Lesson 86. Properties of Parallel Lines

T6-criterion for parallel lines

[bgcolor=orange] If two lines are intersected by a third line, and alternate interior (or exterior) angles are equal, then the original two lines are parallel. [/bgcolor]

新资源

Untitled
From Polar to Cartesian Coordinates
Average Value of a Function
Nikmati Keunggulan Di Bandar Judi Terpercaya
Area Between Two Curves

发现资源

My Walk To School
translation 2
Gradient Functions No Spreadsheet
Rolling Polygon
สามเหลี่ยมพีทาโกรัส

发现主题

等腰三角形
定积分
方程
内切圆
等边三角形