4. b: 4.5 cm
d: 7.5 cm
a: 4 cm
c: 5.5 cm
The photo has a width of
3 cm and a length of 5 cm.
An enlargement has
length 7.5 cm. What will
be the new width?
3
5. b: No
d: Not possible to
say
a: Yes
c: Sometimes
Are all squares
similar?
4
6. b: No
d: Not possible to
say
a: Yes
c: Sometimes
Are all triangles
similar?
5
7. b: 14 cm2
d: 48 cm2
a: 6 cm2
c: 24 cm2
The area of a
photograph is 12 cm2. If
the shape is enlarged by
a scale factor of 2, what
will be the new area?
6
8. b: 49 cm2
d: 81 cm2
a: 18 cm2
c: 33 cm2
All three shapes are squares.
The yellow square has
an area of 9cm2 and the red
square has a perimeter
of 24cm. What is the area of the
blue square?
7
9. b: Between 28
and 29 cm2
d: Between 4
and 5 cm2
a: Between 7
and 8 cm2
c: 3 cm2
The area of a coin that has
a diameter of 3 cm is a
number
8
10. b: 7.5 cm2a: 8.125 cm2
c: 8.7 cm2
Find the area of this
triangle
9
b: 15 cm2
11. c: 90 cm2
Find the area of this
trapezium
10
c: 28 cm2 c: 45 cm2
c: 180 cm2
