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OpenStudy (anonymous):
If the measure of each exterior angle of a regular polygon is 18°, determine how many sides the polygon has help please
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jhonyy9 (jhonyy9):
exterior 18 degree - so this is sure ?
OpenStudy (paxpolaris):
sum of all angles of polygon with x number of sides (& x number of angles): \[180(x-2)\]
OpenStudy (anonymous):
180(n-2) = 18
OpenStudy (paxpolaris):
sorry that has nothing to do with this problem.
OpenStudy (anonymous):
its ok thank you
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OpenStudy (paxpolaris):
sum of EXTERIOR angles of any polygon is always 360
OpenStudy (paxpolaris):
360=18x
OpenStudy (paxpolaris):
x=20 You have a 20-sided regular polygon
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