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

Row and Column Views of Systems of Linear Equations
အခြေခံ data အခေါ်အဝေါ်များ
Domain of f(x,y)
Limaçons
Random Polar Curve (1)

Descubrir recursos

Long live triangles!
The Unit Circle
test
Interactive Engineering Physics with Numerical Methods

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Simetrías
Simetría
Perímetro
Adición
Fractales