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

Limaçons
Untitled
Taylor Error Bound
General Polar Equation of Conics with Rotation (1)
The Geometry of the Coefficients of a Quadratic Function

Descubrir recursos

CCGPS CA 2.2.2 Example 3
Interior and Exterior Angles of Polygons
Exercise 11
Pythagorean Theorem Task 3
Juan Carlos y Edwin Tahual

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Razones
Operaciones Aritméticas
Matemática
Conjuntos
Vectores 3D (tres dimensiones)