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

bewijs stelling van Pythagoras
दुई-ओटा समुहको संयोजन (Union of two sets)
分數化百分數：練習
Graphing 1 + cos(θ) in Polar Coordinates
Graphing a Circle in Polar Coordinates

Ontdek materiaal

Splitting Vector into Components
Completed Square Quadratic
Life Expetancy
Perpendicular Bisector in a Triangle
基地

Ontdek onderwerpen

Frequentieverdeling
vermenigvuldigen
Boxplot
Gemiddelden
Goniometrische functies