Angles in Polygons

Front

What is a polygon?

Back

A polygon is a closed figure formed by a finite number of straight line segments that connect to form a shape.

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 degrees, and no line segment between any two points on the boundary ever goes outside the polygon.

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 degrees, causing at least one line segment between points on the boundary to go outside the polygon.

Tags

CCSS.2.G.A.1

Front

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

Back

The formula is S = (n-2) × 180 degrees.

Front

What is the formula for finding ONE exterior angle of a polygon?

Back

The formula is S = 360/n, where n is the number of sides.

Front

How many sides does a pentagon have?

Back

A pentagon has 5 sides.

Tags

CCSS.2.G.A.1

Front

How many sides does a hexagon have?

Back

A hexagon has 6 sides.

Tags

CCSS.2.G.A.1

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 degrees.

Front

What is a heptagon?

Back

A heptagon is a polygon with 7 sides.

Tags

CCSS.2.G.A.1

Front

What is an octagon?

Back

An octagon is a polygon with 8 sides.

Tags

CCSS.2.G.A.1