185
180, 360, 540, 720, 900
The first 5 multiples of 36 are: 36, 72, 108, 144, and 180.
The first 5 multiples of 45 are: 45, 90, 135, 180, and 225.
60, 120, 180, 240, 300
60, 120, 180 and so on.
60, 120, 180 and so on.
900 degrees. (n-2)*180 = (7 - 2) * 180 = 5 * 180 = 900
-55
-211
Just add 5 at a time, starting from 5 (or perhaps from 0): 0, 5, 10, etc.
180 is the first one.
They are: 45 90 135 180 and 225