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 are the characteristics of a convex polygon?

Back

A convex polygon has all its interior angles less than 180 degrees, and no line segment between any two points on its boundary lies outside the polygon.

Tags

CCSS.2.G.A.1

Front

What are the characteristics of a concave polygon?

Back

A concave polygon has at least one interior angle greater than 180 degrees, and at least one line segment between two points on its boundary lies outside the polygon.

Tags

CCSS.2.G.A.1

Front

How do you calculate 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 degrees.

Front

What is the sum of interior angles for a triangle?

Back

The sum of interior angles for a triangle is 180 degrees.

Front

What is the sum of interior angles for a quadrilateral?

Back

The sum of interior angles for a quadrilateral is 360 degrees.

Front

What is the sum of interior angles for a pentagon?

Back

The sum of interior angles for a pentagon is 540 degrees.

Front

What is the sum of interior angles for a hexagon?

Back

The sum of interior angles for a hexagon is 720 degrees.

Front

What is the sum of interior angles for a heptagon?

Back

The sum of interior angles for a heptagon is 900 degrees.

Front

What is the sum of interior angles for an octagon?

Back

The sum of interior angles for an octagon is 1080 degrees.