A fan has five equally spaced blades. Suppose you line up two fans directly on top of each other. What is the least number of de

Question

3 years ago

15

grees that you can rotate the top fan so that the two fans are perfectly aligned again?
A: 120 Degrees

B: 60 Degrees

C: 90 Degrees

D: 72 Degrees

1 answer:

Masja [62] · Answer 1 · 2022-04-05T11:46:36+03:00

Masja [62]3 years ago

5 0

Each blade is 360/5=72° apart from the next blade, so you would need to rotate the top fan by at least 72° to again line up with the bottom fan.