If a fan has rotational symmetry of order 4, then how many blades does it have?

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Solution

The correct option is C
4

If a fan has rotational symmetry of order 4, then it means that the fan looks exactly as it was before the rotation at four instances in one full rotation of 360 degrees. This can only happen when the fan has four blades.

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If a fan has rotational symmetry of order 4, then how many blades does it have?

The correct option is C 4 If a fan has rotational symmetry of order 4, then it means that the fan looks exactly as it was before the rotation at four instances in one full rotation of 360 degrees. This can only happen when the fan has four blades.

The correct option is C
4

If a fan has rotational symmetry of order 4, then it means that the fan looks exactly as it was before the rotation at four instances in one full rotation of 360 degrees. This can only happen when the fan has four blades.