Convex Polygon Angles

What is the sum of a Quadrilaterals interior angles?

What is the measure of one interior angle of a regular hexagon?

• 120

• 60

• 45

• 135

What is the formula for the sum of the interior angles of polygons?

Find the sum of the interior angles of a nonagon.

• 1260

• 900

• 1620

• 180

What is the SUM of the angle measures in a hexagon (6 sides)?

• 720°

• 1080°

• 600°

• 540°

What is the name of this polygon?

• a pentagon

• a quadrilateral

• an octagon

• a triangle

Choose the best word to describe this figure:

• convex

• concave

• regular

• both regular and convex.

Name polygon #2 by its number of sides, and specify whether it is concave or convex.

• Hexagon, Concave

• Septagon, Convex

• Hexagon, Concave

• Octagon, Convex

Find the value of X.

• 60

• 120

• 85

• 55

What is the sum of all angles?

• 144

• 1800

• 1440

• 12