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

Rule of Sarrus - Determinant of a 3×3 Matrix
Regular Polygons and Equivalent Triangles
Sum of Squares: Proof without Words
အခြေခံ data အခေါ်အဝေါ်များ
Rectangle Construction Template (V2)

Descubrir recursos

Equação do segundo grau : Resolução Geométrica 2
matthew nicholson translation
Circle Theorems - Angles in a semi-circle
Perpendicular Bisector of Chord
Activity 3.6.5

Descubre temas

Distribución geométrica
Funciones cuadráticas
Multiplicación
Funciones Polinómicas
Triángulos Rectángulos