A rectangular sheet of paper is folded exactly in half along its longer side. If the original sheet was 20 cm by 12 cm, what are the dimensions of the folded sheet?
- A.10 cm × 12 cm ✓
- B.20 cm × 6 cm
- C.10 cm × 6 cm
- D.20 cm × 12 cm
Explanation: Folding along the longer (20 cm) side halves that length to 10 cm, while the 12 cm side stays the same: 10 cm × 12 cm.
Class 6 IMO Mathematics Olympiad practice · Visual & Spatial Reasoning · Mirror Images, Folding & Cubes
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