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What is the order of rotational symmetry of a regular pentagon?
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Explanation

The correct answer is 5.

The order of rotational symmetry is the number of times you can rotate a shape so that it looks the same. The order of rotational symmetry of a regular polygon is the same as the number of sides of the polygon.

If a regular pentagon is rotated by 72° (1/5th of 360°), then it exactly fits its own outline.

Therefore, a regular pentagon has rotational symmetry of order 5.

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