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Each exterior angles of a regular nonagon is 360 degrees / 9 = 40degrees...
1 2 1
45n = 360
n = 8
in interior the formula is: 180 (n-2) / n
can u answer this > find the measure of the angles of a convex hexagon whose ratio is 2:4:5:6:9:10. ?
n = is the number of sides in the polygon... just substitute it on the formula...
soryy but its hard :(
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