You get a bonus - 1 coin for daily activity. Now you have 1 coin

A sign of parallel lines

Lecture





Theorem

If the internal crosswise lying angles are equal, then the straight lines are parallel

See also


    Comments


    To leave a comment
    If you have any suggestion, idea, thanks or comment, feel free to write. We really value feedback and are glad to hear your opinion.
    To reply

    Planometry

    Terms: Planometry