Problem 6 · 2025 Math Kangaroo
Medium
Spatial & Visual Reasoning
transformationssymmetry
Larissa has a toy windmill that turns in the wind (see picture on the right) and then stops. What does it look like now?
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Answer: B
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Hint 1 of 2
The windmill just spins, so the same coloured pattern must stay in the same order around it.
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Hint 2 of 2
A rotation keeps the shading pattern in the same cyclic order - reflections do not count.
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Approach: match a rotated copy of the original windmill
- Spinning keeps the dark and light sections in the same circular order.
- Compare each option to a turned version of the shown windmill.
- Only option B is a pure rotation of the original.
- So it looks like B.
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