Ishaan spins this paper pinwheel about its centre pin. How many times does it look exactly the same during one full turn?

Question

Accepted Answer

4. The pinwheel has 4 identical blades, so it fits onto itself after every quarter turn 90^°: 360^° ÷ 90^° = 4 times. Its order of rotational symmetry is 4.

Ishaan spins this paper pinwheel about its centre pin. How many times does it look exactly the same during one full turn?

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