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

Rectangle Construction Template (V2)
Domain of f(x,y)
Rule of Sarrus - Determinant of a 3×3 Matrix
Regular Star Polygons
רישום חופשי

Descubrir recursos

trapezoid
Angles and Triangles: Sinwell
Start, Copy an Angle
Exploring Division Lesson 4.2
Geometric Progression Exercise

Descubre temas

Cuadrado
Ecuación diferencial
Gráfica de Funciones
Perímetro
Geometría