2D Polygons

Front

What is a polygon?

Back

A polygon is a closed, 2D figure with straight sides.

Tags

CCSS.2.G.A.1

Front

What defines a regular polygon?

Back

A regular polygon has all sides congruent and all angles congruent.

Tags

CCSS.2.G.A.1

Front

What is the difference between convex and concave polygons?

Back

Convex polygons have all interior angles less than 180 degrees, while concave polygons have at least one interior angle greater than 180 degrees.

Tags

CCSS.2.G.A.1

Front

What does it mean for a polygon to be equilateral?

Back

An equilateral polygon has all sides of equal length.

Tags

CCSS.2.G.A.1

Front

What does it mean for a polygon to be equiangular?

Back

An equiangular polygon has all angles of equal measure.

Tags

CCSS.2.G.A.1

Front

Can a polygon be both regular and convex?

Back

Yes, a regular polygon is always convex.

Tags

CCSS.2.G.A.1

Front

What is the minimum number of sides a polygon can have?

Back

A polygon must have at least 3 sides.

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.

Tags

CCSS.2.G.A.1

Front

What is an irregular polygon?

Back

An irregular polygon is a polygon that does not have all sides and angles equal.

Tags

CCSS.2.G.A.1

Front

Are all polygons closed figures?

Back

Yes, all polygons must be closed figures.

Tags

CCSS.2.G.A.1