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A regular octagon rotates 360° about its center. How many times does the image of the octagon coincide with the preimage during the rotation?

Respuesta :

SJ2006
It has rotated 360 degrees means a complete revolution. 
As an Octagon has eight sides, it would be pre-image for eight times during the rotation.
So, your final answer is 8
The answer would be 8.