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]

新しい教材

Random Polar Curve (3)
Viviani's Curve
Nikmati Keunggulan Di Bandar Judi Terpercaya
apec
Some random function

教材を発見

PT #3 Check
Icosahedron with 6 equiangular lines
transformations
Sphere on spheres
Ribbon Slider

トピックを見つける

定積分
平面図形や形
統計
円錐
数