Question

can 20 degree be a outer angle of a polygon​

Answer 1

Answer:

no because it is less than 45°

Step-by-step explanation:

hope it helps you friend

Answer 2

Step-by-step explanation:

So there are 18 exterior angles. This also means that there are 18 vertices and 18 interior angles. Since each interior/exterior pair is supplementary and since the exterior angle is 20, the interior angle is 180-20 = 160 degrees. for the sum of all the interior angles.