Interior angles in Polygons and Exterior angles of triangles

Front

What is the formula to calculate the sum of 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

How many sides does an undecagon have?

Back

An undecagon has 11 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

If a polygon has 10 sides, what is the sum of its interior angles?

Back

The sum of the interior angles of a decagon (10-sided polygon) is 1440°.

Front

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

Back

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

Front

What is the relationship between the exterior angle and the interior angle of a polygon?

Back

The exterior angle of a polygon is equal to 180° minus the interior angle.

Front

How do you find the measure of an exterior angle of a regular polygon?

Back

The measure of an exterior angle of a regular polygon can be found using the formula: 360° / n, where n is the number of sides.

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

If the measure of one interior angle of a regular polygon is 150°, how many sides does it have?

Back

A regular polygon with an interior angle of 150° has 12 sides.

Front

What is the measure of the exterior angle if the interior angle is 36°?

Back

If the interior angle is 36°, the exterior angle measures 144°.