Vocabulary

Polygon Properties

Interior Angle Sum

Exterior Angle Sum

Mixed Review

100

What is a flat 2D figure that is closed and has no curved edges?

A polygon

100

What is the sum of the exterior angles in any polygon?

360 degrees

100

What is the sum of interior angles for any hexagon.

720 degrees

100

What is the sum of exterior angles for any decagon?

360 degrees

100

In a quadrilateral, the angles measure 86, 182, 37, and ___ degrees.

55 degrees

200

What do we call any polygon that is characterized by both equiangular and equilateral. Ex: a square

A regular polygon

200

What is the interior angle sum formular?

180(n-2), where n is the number of sides/angles

200

What is the measure of one interior angle of a octagon?

135 degrees

200

What is the measure of one exterior angle in any heptagon?

51.43 degrees

200

The sum of interior angles of a regular polygon is 1440 degrees. Solve for x if one interior angle measures 4x-16.

x= 40

300

What do we call a polygon whose angles all measure less than 180 degrees?

A convex polygon

300

In any polygon, each interior and exterior angle is called ____?

A linear pair (or supplementary angles)

300

Which polygon has an interior angle sum of 1260 degrees?

A nonagon (9 sides)

300

Each exterior angle of this polygon is 72 degrees.

A pentagon

300

The interior angle or a regular polygon measures 7x+10, and its corresponding exterior angle measures 6x-25. Solve for x.

x = 15

400

What do we call a polygon that has at least one angle measuring greater than 180 degrees?

A concave polygon

400

In a regular polygon, we can divide the sum by n, the number of sides, to find this.

The measure of each interior or exterior angle

400

What is the number of sides in a polygon with an interior angle sum of 1800 degrees?

12 sides

400

The measure of each exterior angle is 12 degrees in this regular polygon.

A 30-gon

400

The exterior angles of a regular polygon measure 72, 5x-4, 97, 2x+13, and 6x. Solve for x.

x = 14

500

Name the polygons with sides 3 through 10 in order.

Triangle, Quadrilateral, Pentagon, Hexagon, Heptagon, Octagon, Nonagon, Decagon

500

In the polygon sum formula, 180(n-2), the (n-2) is derived form this.

The number of triangles formed

500

In which regular polygon is the measure of each interior angle 156 degrees?

A 15-gon

500

The sum of interior angles of a regular polygon is 2160 degrees. What is the measure of each exterior angle?

25.7 degrees

500

In a hexagon, angle measures are 120, 5x-6, 4x+14, 8x, 8x-8, and 5x. Solve for x.

x = 20

Click to zoom