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**MathsIsFun****Administrator**- Registered: 2005-01-21
- Posts: 7,608

I have a new page: Properties of Regular Polygons hope you enjoy.

I would appreciate someone checking the calculations etc to make sure I haven't made a silly error, before I "publish" it.

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**Ehiness****Member**- Registered: 2006-12-05
- Posts: 6

I found one small error/typo:

"The external angle is just 180° - (!)External Angle(!)

The internal angle of this octagon is 135°, so the external angle is 180°-135° = 45°"

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**MathsIsFun****Administrator**- Registered: 2005-01-21
- Posts: 7,608

Thanks, Ehiness. Ha!

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**Devantè****Real Member**- Registered: 2006-07-14
- Posts: 6,400

Very nice. Couldn't find any mistakes, good job.

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