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
Untitled
Sum of Squares: Proof without Words
အခြေခံ data အခေါ်အဝေါ်များ
Classifying Triangles

Ontdek materiaal

fourier7-parabola
Unit Circle Origin Symmetry: Sine
t. generalizzato
Untitled
Special Hyperboloid of 1 Sheet as a Locus
Multiply Complex Number
Confidence Interval Game

Ontdek onderwerpen

Vierkant
Rotatie
Waarschijnlijkheidsrekenen
Toevalsvariabelen
Verhoudingen