The sum of the interior angles is 180(11-2)=1620 now since there are 11 of these each interior angle has measure 1620/11 or 147.273 degrees
12 sides
It will have 6 sides
5
15
360/60 = 6 sides.
15 sides
12 sides
If each interior angle measures 170 then it will have 36 sides
If it is a regular polygon and each interior angle measures 156 degrees then it will have 15 sides
It will have 6 sides
A regular polygon that has an exterior angle of 60 degrees = 360/60 = 6 sides and it is an hexagon
18
12
8
5
20
15