Polygons Summary

Polygons

Summary

 a polygon is a shape with three or more straight sides.

the exterior angles of any polygon add up to 360°.

Key Skills
  • know the names of the commonly used polygons.
  • calculate the sizes of interior and exterior angles of regular polygons.
  • construct a regular polygon

Vocabulary

 pentagon, hexagon, septagon, octagon, decagon, exterior angle, interior angle, polygon, regular polygon