2D Polygons

Front

What is a polygon?

Back

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

Front

What defines a regular polygon?

Back

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

Front

Are polygons always concave?

Back

No, this statement is false; polygons can be convex or concave.

Front

What is the best description for a polygon that is both regular and convex?

Back

It is described as both regular and convex.

Front

What does it mean if a polygon is described as 'none of these'?

Back

It means the figure does not fit any of the provided classifications.

Front

What is the difference between a convex and a concave polygon?

Back

A convex polygon has all interior angles less than 180 degrees, while a concave polygon has at least one interior angle greater than 180 degrees.

Front

Can a polygon have curved sides?

Back

No, a polygon must have straight sides.

Front

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

Back

The minimum number of sides a polygon can have is three (a triangle).

Front

What is a quadrilateral?

Back

A quadrilateral is a polygon with four sides.

Front

What are the types of triangles based on side lengths?

Back

The types of triangles based on side lengths are equilateral, isosceles, and scalene.