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]

新しい教材

bewijs stelling van Pythagoras
Slope Between 2 Points (Phase 2)
Limaçons
Rule of Sarrus - Determinant of a 3×3 Matrix
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教材を発見

Mia Cervantes - Tesselations
Gradient of logarithmic Function
Geogebra
Kanto Region Map
Transform (Horizontal Enlargement)

トピックを見つける

重心
不等式
微分
多角形
極限