Unit G

Front

What is the sum of the interior angle measures of a triangle?

Back

180 degrees.

Front

What is the sum of the exterior angle measures of any polygon?

Back

360 degrees.

Front

Define a convex polygon.

Back

A convex polygon is a polygon where all interior angles are less than 180 degrees.

Front

Define a concave polygon.

Back

A concave polygon is a polygon that has at least one interior angle greater than 180 degrees.

Front

What is the formula to calculate the sum of the interior angles of a polygon with n sides?

Back

(n - 2) × 180 degrees.

Front

What is the value of x in the equation 2x + 4 = 76?

Back

x = 36.

Front

What is the value of v in the equation 3v + 6 = 165?

Back

v = 53.

Front

How many sides does a polygon have if the sum of its interior angles is 540 degrees?

Back

5 sides (pentagon).

Front

What is the measure of each exterior angle of a regular hexagon?

Back

60 degrees.

Front

What is the measure of each interior angle of a regular octagon?

Back

135 degrees.