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

Publish app "Public" test
Building Triangles with Set Areas
bewijs stelling van Pythagoras
Building Trapezoids with Set Areas
Rose Curve

Descubrir recursos

Unit Circle and Sine Graph
Sorting Geometric Figures
new kind prj vector_Lo_d03012019
Stretching graphs
Flower by Vlad Bargan

Descubre temas

Números
Cálculo
Integral Indefinida
Exponente
Superficie