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]

Nuevos recursos

רישום חופשי
Pythagorean Theorem: Extension Exercises
Slope Illustrator (2)
Congruent Sides & Angles in △s: Exploration
Congruent Figures

Descubrir recursos

Car Race
Euler's Line
lanceranim
Step 3
CECEWEKSTEIN_GGB Basics_Construction of Lines
LV flag

Descubre temas

Triángulos Escalenos
Vectores
Gráfico Circular
Coordenadas
Polígonos