Angles of regular polygons

Front

What is a polygon?

Back

A polygon is a closed figure formed by a finite number of straight line segments connected end to end.

Tags

CCSS.2.G.A.1

Front

What is the formula to find the sum of 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 do you find the measure of one interior angle of a regular polygon?

Back

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

Front

What is a regular polygon?

Back

A regular polygon is a polygon with all sides and angles equal.

Tags

CCSS.2.G.A.1

Front

What is a concave polygon?

Back

A concave polygon is a polygon that has at least one interior angle greater than 180°.

Tags

CCSS.2.G.A.1

Front

What is a convex polygon?

Back

A convex polygon is a polygon where all interior angles are less than 180° and no vertices point inward.

Tags

CCSS.2.G.A.1

Front

How many sides does a decagon have?

Back

A decagon has 10 sides.

Tags

CCSS.2.G.A.1

Front

What is the value of the interior angle of a regular hexagon?

Back

The interior angle of a regular hexagon is 120°.

Front

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

Back

The sum of the interior angles of an octagon (8 sides) is 1080°.

Front

What is the exterior angle of a regular polygon?

Back

The exterior angle of a regular polygon is the angle formed between one side of the polygon and the extension of an adjacent side.