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16 August, 22:46

How many sides does a regular polygon have if one exterior angle is 90 degrees?

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  1. 16 August, 22:53
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    The polygon will have four sides because the sum of all the exterior angles in a regular polygon is 360 and they all have the same measure so 360/90 = 4
  2. 17 August, 00:49
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    4 sides. Exterior angles add up to 360 degrees, and a regular polygon has equal sides. 360 degrees divided by 90 degrees equals 4 sides.
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