Interior Angles of Polygons

Front

What is an interior angle of a polygon?

Back

An interior angle is the angle formed between two sides of a polygon that meet at a vertex, located inside the polygon.

Front

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

Back

The sum of the interior angles of a polygon can be calculated using the formula: (n - 2) × 180°, where n is the number of 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 of a triangle?

Back

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

Front

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

Back

The sum of the interior angles of a quadrilateral is always 360°.

Front

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

Back

The measure of one interior angle in a regular hexagon is 120°.

Front

How many sides does a polygon have if the sum of its interior angles is 540°?

Back

A polygon with a sum of interior angles of 540° has 5 sides (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°.

Front

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

Back

The sum of the interior angles of a 12-sided polygon is 1800°.

Front

What is the measure of one interior angle in a regular dodecagon (12-gon)?

Back

The measure of one interior angle in a regular dodecagon is 150°.