Date: Wed, 4 Dec 1996 21:43:06 -0600 (CST) Subject: Geometry Name: Rick Who is asking: Parent Level: SecondaryIf you are given the measure of each interior angle (162 degrees) of a regular polygon. how many sides does the polygon have?

Hi Rick

If you look at a pentagon first where the interior angle is 108 deg then you see.

The angle at the center is 180-108=72 deg and 360/72=5 |

The angle at the center is 180-162=18 deg and 360/18=20 so the polygon has 20 sides. |

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