Polygons are 2-dimensional shapes with straight sides. The sum of the exterior angles of a polygon is 360°. The interior and exterior angles at each vertex of any polygon add up to 180°.

What is a polygon?

A 2D shape

A shape with straight sides

A 2D shape with straight sides

What type of polygon is this shape?

Triangle

Pentagon

Hexagon

What is the sum of the interior angles in a pentagon?

What is the sum of the interior angles in a decagon?

What is the sum of the exterior angles of a quadrilateral?

What is the sum of the exterior angles of an octagon?

The exterior angles of an irregular hexagon measure , , , and . What is the size of the sixth exterior angle?

The interior angles of an irregular pentagon measure , , and . What is the size of the fifth interior angle?

What is the size of an interior angle of a regular pentagon?

What is the size of an interior angle of a regular hexagon?