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]

Nouvelles ressources

bewijs stelling van Pythagoras
Using Experimental Probability to Estimate π - Monte Carlo Method
Average Value
seo tool
Double Rodin Coil Style Torus

Découvrir des ressources

Level 8 Portfolio
List of implicit curves disappears
leve
Sally's GeoGebraBook
Derivative of Sine & Cosine Functions (Quick Investigation)
Tag - Quadratic Function
Quadrilateral Project

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Quadrilatère Quelconque
Périmètre
Test d'Hypothèse
Ellipse
Diagramme en Barres