Need some help? Look at Section 11.1 on the CD.
. Reflection symmetry
Work out the answers to these:
a 4.2  8
b 3.7  4
Look at these shapes.
A
B
c 2.4  6
C
Copy and complete the
table to show their
symmetry.
D
E
Type of symmetry
A
Horizontal line of symmetry

Vertical line of symmetry
V

B
C
D
E
No reflection symmetry
For each shape write down the number of lines of symmetry.
A
B
C
Look at these triangles.
A
B
Copy and complete
the table.
D
C
E
D
Type of triangle
Number of lines of symmetry
A
B
C
D
Write true or false for each of these.
a A right-angled triangle will always have no lines of symmetry.
b An isosceles triangle will always have one line of symmetry.
Look at these quadrilaterals.
A
B
Copy and complete
the table.
C
D
Name of quadrilateral
Number of lines of symmetry
A
B
C
D
Write down true or false for each of these.
a A rectangle has 4 lines of symmetry.
b A rhombus has 4 lines of symmetry.
11.1 Reflection symmetry
55