Interior 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.

Tags

CCSS.2.G.A.1

Front

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

Back

The sum of the interior angles of a nonagon is 1260°.

Front

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

Back

In a regular pentagon, one interior angle measures 108°.

Front

How do you find the measure of one interior angle in a regular polygon?

Back

To find the measure of one interior angle in a regular polygon, use the formula: (n - 2) × 180° / n, where n is the number of sides.

Front

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

Back

In a regular hexagon, one interior angle measures 120°.

Front

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

Back

In a regular octagon, one interior angle measures 135°.

Front

If a polygon has 12 sides, what is the sum of its interior angles?

Back

The sum of the interior angles of a dodecagon (12 sides) is 1800°.

Front

What is the relationship between the number of sides and the sum of the interior angles?

Back

As the number of sides increases, the sum of the interior angles increases according to the formula (n - 2) × 180°.

Front

What is the measure of angle x if it is an interior angle of a regular heptagon?

Back

In a regular heptagon, angle x measures approximately 128.57°.