- A9
- B8
- C15
- D5
Step-by-Step Solution
Each column has exactly one cube on the ground, so count the columns that have cubes: 3 in the back row, 3 in the middle row and 2 in the front row: 8. (9 counts the empty square at the front.)
Answer: B) 8
How many cubes in this stack rest directly on the ground?
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