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

Square Matrix Calculator
Weighing Scales (g): Practice
רישום חופשי
Use a matrix with its elements as functions
Weighing Scales (kg & g)

Descubrir recursos

The Normal Approximation to the Binomial Distribution
Integer Addition
التمثيل البياني لمعادلة من الدرجة الأولى
Value of e and why we love it
G.3.16 Practice Problems

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Fracciones
Simetrías
Triángulos Rectángulos
Matemática
Cono