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]

Nieuw didactisch materiaal

Building Triangles with Set Areas
Damped Trochoidal Curve
Rolling Circles and Polygons
Rolling an Equilateral Triangle
Building Parallelograms with Set Areas

Ontdek materiaal

Pytagoras
Automated Reasoning Tools in GeoGebra
Finding pi by dividing circumference by diameter
prisma
Transforming Quadratic graphs _ level 10

Ontdek onderwerpen

Complexe getallen
stelling van Pythagoras
Vlakken
Hoogtepunt
Exponentiële functies