SOLUTION: How many sides does the regular polygon have if each interior angle measure is four times the measure of each exterior angle measure?

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Question 553518: How many sides does the regular polygon have if each interior angle measure is four times the measure of each exterior angle measure?
Answer by Alan3354(69443) About Me  (Show Source):
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How many sides does the regular polygon have if each interior angle measure is four times the measure of each exterior angle measure?
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Ext + Int = 180
Ext + 4*Ext = 180
Ext = 36 degs
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n = 360/36
n = 10 sides