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Thread: Drawing a circle using a square - GIF

  1. Jan 17, 2022, 07:07 AM #1
    Altair
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    Drawing a circle using a square - GIF

    Drawing a circle using a square.




    Previously:

    Wrist flick circle drawing technique - GIF
    Drawing a perfect circle on a chalkboard - GIF
    Plasma cutter circle jig - video
    Simple router circle jig - video
    Drill circle cutter - GIF

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  3. Jan 17, 2022, 09:34 AM #2
    mklotz
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    This technique exploits a well known geometric fact...

    Any triangle constructed from a point on a circle and using the diameter as the hypotenuse will be a right triangle.

    The proof of this is very simple and is a good exercise for anyone studying geometry.

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  5. Jan 17, 2022, 08:54 PM #3
    neilbourjaily
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    Quote Originally Posted by mklotz View Post
    This technique exploits a well known geometric fact...

    Any triangle constructed from a point on a circle and using the diameter as the hypotenuse will be a right triangle.

    The proof of this is very simple and is a good exercise for anyone studying geometry.
    Ah. Euclid was right.



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