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Lines of symmetry
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What
is
a
line
of
symmetry
?
The
dotted line below is a
line
of
symmetry
.
When you fold the figure on the line, the two halves sit perfectly on top of each other. The two halves are mirror images of each
other.
The
dotted line below is not a line of symmetry. When you fold the figure on the line, the two halves do not match
up.
Try some practice problems!
Practice now
Identify lines of symmetry
Symmetrical
shapes
Shapes
are
symmetrical
if they have at least one line of symmetry. Some shapes have many
more!
This
triangle
has
1
line
of
symmetry
.
It
is
symmetrical
.
This
square
has
4
lines
of
symmetry
.
It
is
symmetrical
.
This
hexagon
has
6
lines
of
symmetry
.
It
is
symmetrical
.
This
parallelogram
has
no
lines
of
symmetry
.
It
is
not
symmetrical
.
Try some practice problems!
Practice now
Draw lines of symmetry
Related
Skills
Identify lines of symmetry
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Symmetry
Videos
(4)
Identify lines of symmetry
Draw lines of symmetry
Count lines of symmetry
Symmetry
Lessons
Symmetry
