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
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
A: 120 Degrees
B: 60 Degrees
C: 90 Degrees
D: 72 Degrees
1 answer:
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Answer:
B.
Step-by-step explanation:
Use the multiplication table of 12 and find that 5x12=60. Answer B is the only one that has that.
Answer:
degree
Step-by-step explanation:
The angle between the bottom of the ladder and the ground is given by
Where
B = distance between wall of house and the foot of ladder
L = Length of the ladder
Substituting the given values we get -