Question

At what angle will a fan of 5 blades show rotational symmetry? What will be The order of rotational symmetry?

Pls do explanation also...​

Answer 1

When a fan of 5 blades is rotated through an angle of 72°, the new position matches with their original.

So, angle of rotation is 72°

& order of rotation=360°/72°=5

Hope it helps...

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