Line and Rotational Symmetry Quick Check

Front

What is rotational symmetry?

Back

Rotational symmetry is a type of symmetry where an object can be rotated around a central point and still look the same at certain angles.

Front

What is the order of rotational symmetry?

Back

The order of rotational symmetry is the number of times an object fits onto itself during a full rotation of 360 degrees.

Front

What is the angle of rotation for an object with order 6?

Back

The angle of rotation for an object with order 6 is 60 degrees (360 degrees / 6).

Front

How many lines of symmetry does a regular hexagon have?

Back

A regular hexagon has 6 lines of symmetry.

Front

What is line symmetry?

Back

Line symmetry, also known as reflection symmetry, occurs when one half of an object is a mirror image of the other half.

Front

How many lines of symmetry does a square have?

Back

A square has 4 lines of symmetry.

Front

What is an example of an object with no lines of symmetry?

Back

An irregular shape, such as a scalene triangle, can have no lines of symmetry.

Front

How can you determine if a shape has rotational symmetry?

Back

To determine if a shape has rotational symmetry, rotate the shape around its center and see if it matches its original position at any angle less than 360 degrees.

Front

What is the angle of rotation for an object with order 4?

Back

The angle of rotation for an object with order 4 is 90 degrees (360 degrees / 4).

Front

What is an example of an object with rotational symmetry of order 3?

Back

A regular triangle has rotational symmetry of order 3, as it looks the same after a rotation of 120 degrees.