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 are the characteristics of polygons?

Back

Polygons must have straight sides, must be closed figures, and must have 3 or more sides.

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 sides are curved inward.

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 a 'caved-in' appearance.

Tags

CCSS.2.G.A.1

Front

What is a regular polygon?

Back

A regular polygon is a polygon that has all sides congruent and all angles congruent.

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

What does equilateral mean in relation to polygons?

Back

Equilateral refers to a polygon where all sides are of equal length.

Tags

CCSS.2.G.A.1

Front

What does equiangular mean in relation to polygons?

Back

Equiangular refers to a polygon where all angles are equal.

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 difference between a polygon and a circle?

Back

A polygon is a closed figure with straight sides, while a circle is a closed figure with curved sides.

Tags

CCSS.1.G.A.1

CCSS.2.G.A.1