Transformations: Translations and Reflections

think icon Think & Click: Lines of Symmetry

Now, you try. Complete the Think & Click activity by looking at each problem below, thinking about it, and then clicking on the question to reveal the solution.

1. How many lines of symmetry does the following figure have? Draw them.

Block Arrow
Block Arrow

 

One line of symmetry.

Block Arrow with one line of symmetry
Block Arrow with one line of symmetry

2. How many lines of symmetry does the following square have?  Draw them.

Square
Square

Four lines of symmetry.

Square with four lines of symmetry
Square with four lines of symmetry

3. How many lines of symmetry does the following circle have?  Draw them.

Circle
Circle

A circle has an infinite number of lines of symmetry.  Any line drawn through the center of the circle is a line of symmetry.  Just a few are drawn here.

Circle with lines of symmetry
Circle with lines of symmetry

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