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]

Nieuw didactisch materiaal

apec
Classifying Triangles
Focus and Directrix
Celsius ↔ Fahrenheit Converter
Fractal Tétraèdre. Dilatation -1/2 centre triangles

Ontdek materiaal

NS2-01-P2-Q2- Plot Integers on a Number Line
#51 Closed path inside pentagon
mths 2
Untitled
Derivative-Nonlinear

Ontdek onderwerpen

Schijfdiagram of cirkeldiagram
Rechthoek
Verhoudingen
Binomiale verdeling
Standaardafwijking