Line symmetry is:
a line across a figure where the figure can be folded.
a two-dimensional figure has line symmetry if it is folded.
a two-dimensional figure is symmetrical if it has one.
a line segment that connects two vertices of a figure.
Line symmetry is also called reflection symmetry or __________.
mirror symmetry
The line that divides a figure into matching halves is called a __________.
line symmetry
mirror symmetry
symmetrical
diagonal line
A line of symmetry does not only have to be horizontal (↔) or vertical (↨). It can also be diagonal.
False
True
A _____________ is a line segment that connects two vertices of a figure and is inside the figure.
line symmetry
slanted
diagonal
symmetry
If a figure has one or more lines of symmetry, then it is _____________.
symmetrical
diagonal
slanted
line of symmetry
Asymmetrical figures have a line of symmetry.
False
True
The figueres shown are all asymmetrical figueres.
False
True
A rectangle has two lines of symmetry.
False
True
A triangle can have 0, 1, or 3 lines of symmetry.
False
True
Which triangle has no line of symmetry?
scalene
equilateral
isosceles
The equilateral triangle has ______ lines of symmetry.
3
2
1
The equilateral triangle has ______ equal sides.
3
1
2
