Geometry Flashcard Angles of Polygons

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°.

Front

How many sides does a nonagon have?

Back

A nonagon has 9 sides.

Front

What is the measure of one interior angle in a regular polygon?

Back

The measure of one interior angle in a regular polygon can be calculated using the formula: ((n - 2) × 180°) / n, where n is the number of sides.

Front

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

Back

The sum of the interior angles in a triangle is always 180°.

Front

What is the sum of the exterior angles of any polygon?

Back

The sum of the exterior angles of any polygon is always 360°.

Front

What is the measure of one exterior angle in a regular hexagon?

Back

The measure of one exterior angle in a regular hexagon is 60°.

Front

How many sides does a hexagon have?

Back

A hexagon has 6 sides.

Front

What is the measure of one interior angle in a regular pentagon?

Back

The measure of one interior angle in a regular pentagon is 108°.

Front

What is the shape of the headquarters of the United States Department of Defense?

Back

The headquarters of the United States Department of Defense is in the shape of a pentagon.

Front

What is the measure of one interior angle in a regular octagon?

Back

The measure of one interior angle in a regular octagon is 135°.