A paper shown in Panel I is folded along the dashed lines (- - -) to construct…
2026
A paper shown in Panel I is folded along the dashed lines (- - -) to construct a cube. The shaded regions shown in Panel I appear on the outer surface of the cube. Referring to cubes shown in Panel II, which one of the options is correct?
Answer: B. Only (ii) can correspond to the unfolded cube in Panel I. — Folding the net pairs opposite faces as follows: the central striped face and the half-shaded face; the triangular face and the lower striped face; the…
- A.
Only (i) can correspond to the unfolded cube in Panel I.
- B.
Only (ii) can correspond to the unfolded cube in Panel I.
- C.
Both (i) and (ii) can correspond to the unfolded cube in Panel I.
- D.
Neither (i) nor (ii) can correspond to the unfolded cube in Panel I.
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Correct answer: B
Folding the net pairs opposite faces as follows: the central striped face and the half-shaded face; the triangular face and the lower striped face; the L-shaped face and the quarter-shaded face.
In (i), the displayed front and right faces require the lower striped face on top, with its stripe running front to back. The drawing instead shows a stripe running left to right.
In (ii), the triangular front, quarter-shaded right face and half-shaded top meet with the shading orientations shown.
Therefore, only (ii) corresponds to the net.