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]

Új anyagok

Prism Drawn in 1-Point Perspective
Exploring GeoGebra for the First Time
Shells
Reflection Across 2 Parallel Lines
Untitled

Anyagok felfedezése

Activity 1.4 - Example 3
Pictuers of Angles
Triangle Third Side Possibilities
Tetris Puzzle
Multiplying Fractions Using Visual Models

Témák felfedezése

Halmazelmélet
Kördiagram
3D vektorok (három dimenziós)
Medián
Sorozatok és sorok