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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°

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°
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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°

User Rich Benner
by
7.5k points

2 Answers

2 votes

the answer is

d=30 degrees


User Ryan Ogle
by
8.2k points
3 votes
Central angle of a 12-sided regular polygon:
360° : 12 = 30°
Answer: D ) 30°
User Gilian
by
7.7k points
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