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

Untitled
Regular Star Polygons
bewijs stelling van Pythagoras
Classifying Triangles
Fractal Tétraèdre. Dilatation -1/2 centre triangles

Descubrir recursos

JARAK ANTARA DUA TITIK
Olimpiada Pitești 1 Midle.
الدالة الخطية.ggb
Hyperbola Tangent
Volume of Hemisphere

Descubre temas

Números Naturales
Suma superior e inferior o suma de Riemann
Límites
Integral Indefinida
Ortocentro