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www.ck12.org/book/CK-12-Geometry-Second-Edition/section/10.6/

Example 1: What is the

www.mathgoodies.com/lessons/vol1/perimeter.html

In fact, in mathematics, we commonly use the following

jwilson.coe.uga.edu/emat6680/parsons/mvp6690/unit/Octagon/octagon.html

Students will learn the method of finding the

geometryatlas.com/entries/191

All measures of the interior angles of a

www.algebralab.org/lessons/lesson.aspx?file=geometry_areaperimeterregularpolygons.xml

The area and

www.mathwords.com/a/area_regular_polygon.htm

Area of a

www.dummies.com/how-to/content/how-to-calculate-the-area-of-a-regular-octagon.html

You can calculate the area of a

www.web-formulas.com/Math_Formulas/Geometry_Perimeter_of_Polygon.aspx

Web

www.wikihow.com/Find-the-Area-of-Regular-Polygons

The

www.mathsisfun.com/geometry/regular-polygons.html

Example: What is the exterior angle of a

More Info

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For

formulas.tutorvista.com

A

rechneronline.de

Calculations of geometric shapes and solids: