Geo A 11-13 Angles of Polygons

Front

What is the formula for the sum of interior angles in a polygon?

Back

180(n−2), where n is the number of sides.

Front

What is the sum of the interior angles of a polygon with 10 sides?

Back

1440°.

Front

How many degrees are in the sum of the interior angles of a pentagon?

Back

540°.

Front

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

Back

720°.

Front

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

Back

900°.

Front

If a polygon has 8 sides, what is the sum of its interior angles?

Back

1080°.

Front

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

Back

120°.

Front

How do you find the measure of a missing angle in a polygon?

Back

Subtract the sum of the known angles from the total sum of interior angles.

Front

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

Back

The sum increases as the number of sides increases.

Front

What is the formula for finding the measure of each interior angle in a regular polygon?

Back

(180(n−2))/n, where n is the number of sides.