Answer:
2
Explanation:
Volume of the unit cube: 1 unit³
Volume of a small blocks:
½ × 1 × 1 = ½ units³
No. of blocks:
1 ÷ ½
1 × 2
The answer is 2. Because the dimensions of 1 cube is 1*1*1, the half cube is just half the width, so 2 half width = whole width of a unit cube
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