Day 78: 6.MG.4 C4U Regular Polygons and Lines of Symmetry

Front

What is a regular polygon?

Back

A polygon with all sides and angles congruent.

Front

What is an irregular polygon?

Back

A polygon with at least one side or angle that is not congruent.

Front

Are all sides of a regular polygon equal?

Back

Yes, all sides of a regular polygon are equal.

Front

Are all angles of a regular polygon equal?

Back

Yes, all angles of a regular polygon are equal.

Front

What is a line of symmetry?

Back

A line that divides a shape into two identical parts that are mirror images of each other.

Front

Can a shape have more than one line of symmetry?

Back

Yes, some shapes can have multiple lines of symmetry.

Front

Is a square a regular polygon?

Back

Yes, a square is a regular polygon because all sides and angles are equal.

Front

Is a rectangle a regular polygon?

Back

No, a rectangle is not a regular polygon because its sides are not all equal.

Front

How many lines of symmetry does a circle have?

Back

A circle has an infinite number of lines of symmetry.

Front

What is the sum of the interior angles of a triangle?

Back

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