Polygons interior angles

Front

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

Back

S = (n-2) × 180° where n is the number of sides.

Front

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

Back

Divide the sum of the interior angles by the number of sides: (n-2) × 180° / n.

Front

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

Back

180°.

Tags

CCSS.8.G.A.5

Front

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

Back

360°.

Front

How many sides does a hexagon have?

Back

6 sides.

Tags

CCSS.2.G.A.1

Front

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

Back

540°.

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 of a regular octagon?

Back

135°.

Front

If one interior angle of a regular polygon is 120°, how many sides does it have?

Back

6 sides (hexagon).

Front

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

Back

The sum increases as the number of sides increases.