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
Parabola - Write the Equation - Practice
Tangent Plane to a Sphere
Export grapfics view

Descobrir recursos

Angles at the Centre and on the Circumference
test #8
jhonal vasquez #34 5toD
Ambiguity of SSA
Vector Field (unit vectors and fractional scalar)

Explorar Tópicos

Raiz
Números Naturais
Cone
Retas
Trapézio