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

Slope and Road Signs
Trefoil Knot
Untitled
Random Polar Curve (3)
အခြေခံ data အခေါ်အဝေါ်များ

Descubrir recursos

geogebook
Congruent Triangles: Proofs
abigail jacobs
Unit 1: Multiplying Binomials
Three-parameter model transformations of the Tetrahedron. Extreme distributions.

Descubre temas

Cuadriláteros en general
Cálculo de intereses
Cálculo integral
Matrices
Triángulos Semejantes