Polygon

A polygon has to have

• at least two sides

• at least three sides

• four or more sides

• no sides

Which formula represents how to find the interior angle sum of any polygon?

• (number of sides - 2) x 180

• (number of sides + 2) x 180

• number of sides x 180

• number of sides x 360

If an exterior angle of a regular polygon has a measure of 36 degrees, how many sides does it have?

• 10

• 3

• 7

• 11

A closed figure with three or more straight sides.

Examples: triangle, quadrilateral, pentagon, hexagon​ (a)  

• polygon

• edge

• vertices

• quadrilateral

• parallel

• base

Given a regular polygon. Determine the value of x.

• 40 degrees

• 180 degrees

• 60 degrees

• 390 degrees

What is the SUM of the angle measures in a nonagon (9 sides)?

• 1440°

• 900°

• 1080°

• 1260°

What is the formula for the sum of exterior angles in a polygon?

• 180(n−2)

• 180(n−2)÷n

• 360

• 360/n

What is the sum of the exterior angles?

• 90 degrees

• 180 degrees

• 540 degrees

• 360 degrees

What is the name of a six sided polygon?

• Witch

• Octagon

• Hexagon

• Decagon

Select all of the statements below that are true when describing a polygon.

• A polygon is a closed figure.

• A polygon can have 1 or more sides that are curved.

• The sides of a polygon do not cross.

• A polygon has 3 or more sides.