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]

New Resources

Nikmati Keunggulan Di Bandar Judi Terpercaya
Random Polar Curve (3)
Slope Between 2 Points (Phase 2)
Damped Trochoidal Curve
Viviani's Curve

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Convex (converging) lens
poly6thdeg
Going on a trip; a sandbox for posing problems
Which Toilet?
sudut pada tangen
Rolling Triangle

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Continuity
Statistics
Subtraction
Angles
Function Graph