Foundation January 2021 Paper 2R Q4
4 Here are three 3D shapes, A, B and C.
(a) Write down the mathematical name for each of these 3D shapes.

(i) A
(ii) B
(iii) C (3)
(b)
(i) How many faces does shape C have?
(ii) How many vertices does shape C have? (2)
Here is a solid prism made from bricks.
The bricks are identical triangular prisms.

Diagram NOT accurately drawn
The volume of the prism is 54 cm3
(c) Work out the volume of each brick. (2)
| Scheme | Marks |
|---|---|
| (i) Answer: Sphere | B1 |
| (ii) Answer: Cone | B1 |
| (iii) Answer: Prism | B1 |
| (3) |
Notes
B1: Accept hexagon prism or hexagonal prism
| Scheme | Marks |
|---|---|
| (i) Answer: 8 | B1 |
| (ii) Answer: 12 | B1 |
| (2) |
| Scheme | Marks |
|---|---|
| 54 ÷ (9 × 2) | M1 |
| 3 | A1 |
| (2) | |
| (7 marks) |