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]

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Rolling a Square
Circumference of a unit circle
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Tracing an Ellipse Using Two Circles

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Ending Volumic Linear ~ Close Up/Warm Up Question
Taylor Polynomial

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Fractales
Función potencial
Polígonos
Paralelogramo
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