What is the sum of the three exterior angles of the triangle?
Drag the vertices of the triangle to move them. Does the sum of the exterior angles stay the same or change?
What is the sum of the four exterior angles of the quadrilateral?
Drag the vertices of the quadrilateral to move them. Does the sum of the exterior angles stay the same or change?
Do you think the sum of the exterior angles of a polygon depends on how many sides the polygon has? Justify your answer.