Help asap por favor

11.
sum of interior angles of a polygon is (n-2) * 180, where n is the number of sides of the polygon
 
sum of exterior angles is always 360
According to question
(n-2) * 180 = 2 * 360
 
180n - 360 = 720
 
180n = 1080
 
n = 6
The number of sides is 6

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