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

Publish app "Public" test
Random Polar Curve (3)
Slope and Road Signs
Rose Curve
Some random function

Descobrir recursos

Condizione di perpendicolarità tra retta e piano
nemarchepas
Homotècia
Shade out inequality 5: 5x-4y≤20
Symmetry Game
Interactive fractions

Explorar Tópicos

Rotação
Função Tangente
Quadriláteros
Reflexão
Hipérbole