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

Hyperbolic Paraboloid
အခြေခံ data အခေါ်အဝေါ်များ
Trefoil Knot
Viviani's Curve
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Descubrir recursos

Cyclic Quadrilaterals
Games
Problem Set 1-2
TRUE MEANING of π
Kopia av Wave Interference

Descubre temas

Funciones Trigonométricas
Rectángulo
Números
Función Tangente
Intervalo de Confianza