Thursday, December 15, 2011

Math Forum Project: Dodecagon from a Circle

This month's free project on the Math Forum shows how to start with a circle, add some more circles and construction lines . . .

. . . and create a dodecagon.

Once you have your dodecagon, you'll also see some cool things you can do with it:

The Student Version has a question about the number of circle "sides" needed to start with, to create a dodecagon. The Teacher Version has the answer! Enjoy.

Anyone can design anything in 3D!

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1 comment:

dodecagon said...

This is amazing and the technique which you have posted is worth watching.