The left half of a square sheet is folded onto the right half, and the two shaded pieces are cut away along the dotted lines. Which figure shows the sheet when it is opened?

Question

Accepted Answer

(c). Each cut is mirrored in the vertical crease. The triangle on the crease opens into a diamond in the middle, and the notch on the right edge gets a twin notch on the left edge at the same height: (c).

The left half of a square sheet is folded onto the right half, and the two shaded pieces are cut away along the dotted lines. Which figure shows the sheet when it is opened?

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