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This site explains regular polygons and explains how to find the sum of the interior angles. |
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This site does an excellent explanation of the sum of the interior angles. |
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This site explains the sum of interior and exterior angles. |
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This site explains the sum of the exterior angles of a regular polygon. |
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This site explains the sum of the interior angles of a regular polygon. |
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Pages 244-250 |
Pages 236-241 |
Angles and Polygons- Pages 16 - 17 |