EM-759
Composite solids
E Math · Secondary 3 · Medium · Composite solids
Andy stacks plastic cubes to form blocks. On Day 1, he uses a block of size 1 by 2 by 3 cubes. On Day 2, he surrounds this block with one layer of cubes on all faces to form a new block of size 3 by 4 by 5 cubes.
How many cubes are in the Day 2 block?
How many cubes are in the Day 2 block?
- 60
- 40
- 34
- 86
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