17.2 Plans and elevations — Practise with help
Attempt each item before opening its help. Recall ideas from earlier chapters first.
Warm-up: remember
Answer these from memory. Do not look back at the section.
- How many faces does a cuboid have?
- What shape is the front face of a cuboid?
Check the warm-up
- .
- A rectangle.
If an answer differs, revisit Section 17.1 for the properties of 3D shapes.
Try these with help
1. A cuboid is 6 cm wide, 4 cm deep and 3 cm high. Describe its plan.
Hint
A plan is viewed from above.
Next step
The plan records width and depth, not height.
Full answer
A rectangle measuring 6 cm by 4 cm.
2. A solid has a cm by cm front. Which dimensions appear in its front elevation?
Hint
A front elevation shows width and height.
Next step
The front elevation is 4 cm by 2 cm.
Full answer
The front elevation shows 4 cm width and 2 cm height.