- A3
- B6
- C2
- D1
Step-by-Step Solution
A turn puts a blue blade where a yellow one was, so it does not match. A turn moves every blade onto one of the same colour: order .
Answer: A) 3
This toy fan has 6 blades of the same shape, coloured yellow and blue alternately. Counting the colours, what is the order of rotational symmetry of the fan?
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