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]

Novos Materiais

רישום חופשי
bewijs stelling van Pythagoras
အခြေခံ data အခေါ်အဝေါ်များ
Area of a Trapezoid
Nikmati Keunggulan Di Bandar Judi Terpercaya

Descobrir recursos

Representación gráfica de funciones polinómicas
courbepoints
V Dia GeoGebra Portugal - Geogebra 6+
Snowflake Rotational Symmetry
Just for fun --Geometry period 4
Making Conjectures (3)

Explorar Tópicos

Limites
Trigonometria
Reflexão
Centroide ou baricentro
Esboço de Curva