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

Rolling an Equilateral Triangle
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Building Parallelograms with Set Areas
Untitled

Ontdek materiaal

inverse of a function
Golden ratio in regular icosahedron
Properties of a Rhombus
Luke VanLaningham - Rotations 1
Cosmic Motion V1.2

Ontdek onderwerpen

Kwadratische vergelijkingen
Histogram
Congruentie
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Termen