2
Interior angles = 170 degrees so exterior angles = 180 - 170 = 10 degrees Sum of exterior angles = 360 so there must be 360/10 = 36 of them. It is a 36 sided polygon.
It is: 360/36 = 10 sided regular decagon polygon
Each exterior angle measures 36 degrees
36 sides.
36 sides. The exterior angles of any polygon add up to 360.