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Thread: Protractor by Tony Gan

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    Protractor by Tony Gan

    A while ago my friend Tony Gan, a teacher and Sketchpad expert from Malaysia, created a very nice Sketchpad protractor construction. When someone asked recently about a protractor in Sketchpad, I remembered Tony's sketch, and now (with his permission) I've posted it here:

    Here's what it looks like: Click image for larger version

Name:	Tony Gan's Protractor.jpg
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    You can drag the center point to position the protractor, and drag either of the 0/180 degree points to turn it.

    My thanks to Tony for this, and I hope that others find it useful.

    Last edited by Scott; 07-15-2013 at 08:33 AM. Reason: add tags

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