Polygon Interior and Exterior Angles

Front

What is a polygon?

Back

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

Front

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

Back

The sum of the interior angles of a polygon with n sides is given by the formula: (n - 2) × 180 degrees.

Front

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

Back

The measure of each interior angle of a regular polygon with n sides is given by the formula: [(n - 2) × 180] / n degrees.

Front

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

Back

The measure of each exterior angle of a regular polygon with n sides is given by the formula: 360 / n degrees.

Front

What is a regular polygon?

Back

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

Front

How many sides does a decagon have?

Back

A decagon has 10 sides.

Front

What is the sum of the interior angles of a triangle?

Back

The sum of the interior angles of a triangle is 180 degrees.

Front

What is the sum of the interior angles of a quadrilateral?

Back

The sum of the interior angles of a quadrilateral is 360 degrees.

Front

If a polygon has 15 sides, what is the sum of its interior angles?

Back

The sum of the interior angles of a 15-gon is (15 - 2) × 180 = 2340 degrees.

Front

What type of polygon has 5 sides?

Back

A polygon with 5 sides is called a pentagon.