alleryOnly one of these regular polygons tiles a plane alone. Which?
AOctagon
BHexagon
CHeptagon
DPentagon
Answer & Solution
Correct answer: B. Hexagon
1. There are only three regular tilings.
2. They use triangles, squares or hexagons.
3. Pentagons, heptagons and octagons leave gaps.
_Source: Wikipedia, Tessellation (CC BY-SA 4.0), Introduction to tessellations_
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