14 December, 20:18
What is the measure of an exterior angle of a regular quadrilateral
14 December, 22:08
- - Any "regular" polygon has all sides equal AND all angles equal.
- - The sum of the angles inside a 4-sided figure is 360°.
- - So it it's a regular figure, then each angle is 360°/4 = 90°.
- - The total angle around each vertex is 360°.
If 90° of them are inside, then the exterior angle is the remaining 270°.
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