Question

A fan has 5 equally spaced blades suppose u line up 2 fans directly on top of each other what is the least number of degrees that u can rotate the top fan so that the two fans are perfectly aligned again? \
 Answers:
120°
60°
90°
72° 

Answer 1

∠ between adjacent blades = 360/5 = 72

So answer is 72°

Answer 2

360° / 5° = 72°

72 degrees is the least number one can rotate the top fan so that the two fans are aligned.

Thanks for your question! Don't forget to rate 5 stars and give me the brainliest answer! Then, I can help you with all your problems! ^-^ ~