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A
The two end faces of the longest row are always opposite
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B
In a standard cross-shaped cube net, the face at the center of the cross is opposite the face at the far end of the vertical; the two faces on one horizontal arm are opposite each other; and the top and bottom of the vertical axis are opposite — trace the fold sequence systematically
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C
All faces in a cross net become adjacent when folded
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D
Only corner faces become opposite
Why this is the answer
CUBE NET PROBLEMS are a common category in spatial reasoning and assembling objects tests. Understanding cube nets requires knowing which faces become opposite when folded. A CUBE HAS 3 PAIRS OF OPPOSITE FACES. For the standard cross-shaped net (one row of 4 squares, one square on each side of the second square from the left or right): The faces of the horizontal row at positions 1, 2, 3, 4 from left to right fold so that 1 and 3 are opposite, and 2 and 4 are opposite. The two squares above and below (arms of the cross) become the top and bottom faces and are opposite each other. APPROACH TO ANY CUBE NET QUESTION: (1) Identify the net shape; (2) Pick one face as your reference and fix it in space; (3) Trace each adjacent face and fold it 90 degrees relative to your reference; (4) Continue until all faces are placed; (5) The face directly opposite is the face you cannot reach by folding only one step from your reference. THERE ARE 11 POSSIBLE CUBE NETS — the cross is most common but the ASVAB may use any valid net form. Physical practice (cut out paper nets and fold them) is the best way to build this spatial intuition quickly.
Source: ASVAB Assembling Objects, Cube Net Visualization