Wednesday, January 11, 2012

interior and exterior.

today we continued working with polygons.


homework...
1st period: Regular Polygons: More Practice! WS #8-13
3rd and 4th period: Polygon Review (front only)

also, you need to learn these formulas...
sum of interior angles: (n-2)180
one interior angle: (n-2)180 / n
sum of exterior angles: 360
one exterior angle: 360/n

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