asked 196k views
4 votes
If a 12-sided regular polygon rotates about its center, at which angle of rotation will the image of the polygon coincide with the preimage?

75°




45°




36°




30°

asked
User Jovany
by
7.4k points

2 Answers

2 votes

Answer:

D: 30

Explanation:


1 vote
At the center of the polygon are twelve 30° angles - 360° / 12.If the polygon is rotated 30° the image (transformation) shall coincide with the preimage (the figure before transformation).
answered
User Rakesh Juyal
by
7.8k points
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