Page 93 - MAT KS3 Y8 Cambridge CheckPoint

8.4 Drawing nets of solids

2 Which of the following could be the net of a cube?

A B C D E F G

3 Draw a sketch of a net of this tetrahedron (triangular-based pyramid).

4 Draw an accurate net for each of these 3D solids.
a cube 3 cm b cuboid 6 cm

3 cm
3 cm
4 cm
3 cm
c triangular prism (isosceles triangle) d triangular prism (right-angled triangle)
5 cm 45 mm

4 cm 27 mm
7 cm
65 mm
6 cm 36 mm
A
5 Here is the net of a cuboid.
When the net is folded to make the cuboid,
B C
side B meets with side D. D E F
Which side meets with:
a side C b side K c side G G H
d side A e side N f side M? I J K
L M

N
6 Dakarai has a cuboid that measures 8 cm by 5 cm, by 4 cm.
He labels the vertices (corners) A, B, C, D, E, F, G and H, as shown. A 8 cm B
D C
5 cm
E F
4 cm
H G
He draws a line from A to H to C to A.
A B

D C
E F

H
G
a Draw an accurate net of Dakarai’s cuboid.
b Measure the total length of the line that Dakarai draws.
Give your answer to the nearest millimetre.

8 Shapes and geometric reasoning 91