First the top quarter and the bottom quarter of a square sheet are folded in to meet at the middle, like a gate; then the left half is folded over the right. A triangle pointing down and a round hole are punched. Which figure shows the opened sheet?

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Accepted Answer

(d). Undo the left-right fold: twins on the left. Undo the gate: the top door carries the triangles, whose twins near the top edge now point up; the bottom door carries the round holes, whose twins sit near the bottom edge: (d).

First the top quarter and the bottom quarter of a square sheet are folded in to meet at the middle, like a gate; then the left half is folded over the right. A triangle pointing down and a round hole are punched. Which figure shows the opened sheet?

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