6.1 Properties and Attributes of Polygons

Front

How many diagonals does a triangle have?

Back

0

Front

Is the figure a polygon? If so, is it convex or concave?

Back

Not a polygon

Front

The measure of ONE exterior angle of a regular decagon is _____?

Back

36°

Front

Tell whether the figure is regular or irregular...concave or convex.

Back

Irregular - Convex

Front

What is the SUM of the angle measures in a hexagon?

Back

720°

Front

What is a polygon?

Back

A polygon is a closed figure formed by a finite number of straight line segments.

Front

Define a convex polygon.

Back

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

Front

Define a concave polygon.

Back

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

Front

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

Back

(n - 2) × 180°, where n is the number of sides.

Front

What is a regular polygon?

Back

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