Polygons FOR GRADE 7

A polygon should always be a/an ____ figure

• closed

• open

• 3D

• irregular

The sum of the measure of the interior angles of a triangle is ___ degrees

• 360

• 90

• 720

• 180

Heptagon has ___ sides

• 6

• 8

• 5

• 7

A pentagon has how many sides?___

• 8

• 7

• 5

• 6

The sum of the measure of an interior angles of a rectangle is____degrees

• 180

• 360

• 540

• 720

How many sides does nonagon have?___

• 0

• 10

• 9

• 13

A Hexagon has how many sides?___

• 4

• 3

• 7

• 6

What is the formula in finding the measure of the interior angles of a polygon?___

• n x 180

• (n-2) x 180

• 2n x 180

• (n+2) x 180

The sum of the exterior angles of a polygon is always ___

• 360

• 180

• 90

• 720

If the exterior angle of a polygon is 60 degrees, what size is it's internal angle?

• 60

• 300

• 120

• 480