521476
Description
Note by Georgia Freeman, updated more than 1 year ago
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Created by Georgia Freeman
almost 11 years ago
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Page 1
The sum of the interior angles in a regular polygon are always:
(n - 2) × 180° where n is the number of sides of the polygon
For example:
This quadrilateral has been divided into two triangles, so the interior angles add up to 2 × 180 = 360°.
The exterior angles of a polygon and its corresponding interior angle always add up to 180° (because they make a straight line).
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