Unit G

Front

Is this a polygon?

Back

Yes, a polygon is a closed figure with straight sides.

Front

What is the measure of an exterior angle in a regular 16-gon?

Back

22.5 degrees.

Front

What is the value of x if the interior angle is 51.4 degrees?

Back

128.6 degrees.

Front

What is the sum of the exterior angle measures, one at each vertex, of any polygon?

Back

360 degrees.

Front

How many triangles are formed by drawing all the diagonals from a single vertex in a polygon with n sides?

Back

n - 2 triangles.

Front

Define a regular polygon.

Back

A regular polygon is a polygon with all sides and angles equal.

Front

What is the formula for calculating the measure of an exterior angle of a regular polygon?

Back

360 degrees divided by the number of sides (n).

Front

What is the relationship between the interior and exterior angles of a polygon?

Back

Interior angle + Exterior angle = 180 degrees.

Front

How do you calculate the sum of the interior angles of a polygon?

Back

(n - 2) * 180 degrees, where n is the number of sides.

Front

What is a diagonal in a polygon?

Back

A line segment connecting two non-adjacent vertices.