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

Focus and Directrix
Classifying Triangles
z`]]
The Gardener's Circle
Fractal Tétraèdre. Dilatation -1/2 centre triangles

Descubrir recursos

Binomial Distribution with Normal and Poisson Approximation
randomF9
Geogebra Assignment
The Ellipse
Quadrilateral Exterior Angles
Oblique Prism

Descubre temas

Boceto
Congruencia
Rombos
Razones
Integral Definida