Question

what is the formula to find the total exterior angle of a polygon

Answer 1

Here is your answer.
 If you count one exterior angle at each vertex, the sum of the measures of the exterior angles of a polygon is always 360°.
Hope it helps you..

Answer 2

Here is your answer.
 If you count one exterior angle at each vertex, the sum of the measures of the exterior angles of a polygon is always 360°.
Hope it helps you..