Properties and Angles of Polygons

Front

What is the sum of the interior angles of an octagon?

Back

1080°

Front

What is a polygon?

Back

A closed figure made up of straight line segments.

Front

Name a polygon with 5 sides.

Back

Pentagon

Front

Name a polygon with 6 sides.

Back

Hexagon

Front

Name a polygon with 7 sides.

Back

Heptagon

Front

Name a polygon with 8 sides.

Back

Octagon

Front

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

Back

(n - 2) × 180°.

Front

What is a rhombus?

Back

A quadrilateral with all sides of equal length.

Front

What is a rectangle?

Back

A quadrilateral with opposite sides equal and all angles 90°.

Front

What is a trapezoid?

Back

A quadrilateral with at least one pair of parallel sides.