it is a polygon questionhaving problem to solve it plsssssss solve it :(

The sum of the exterior angles of a polygon is 360°. (Make believe a [big] polygon is traced on the floor. Stand on one of the vertices and face in direction of one of the sides from that vertex. Walk along all sides of polygon until you're back to the starting point. How many rotations did you do? One! = 360°)

For regular polygons the exterior angles are the same (congruent).

Interior + exterior = 180°

156° + exterior = 180°

exterior = 24°

360°/24° = 60/4 = 30/2 = 15 sides.

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thankyou so much for ur answers :D