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Answer:
a
Step-by-step explanation:
Answer:
≈83.33%
Step-by-step explanation:
400/480 = 5/6
56 * 100 = ≈83.33%
cos(x) = Adjacent leg / Hypotenuse
Adjacent leg = 9
Hypotenuse = 17
Cos(X) = 9 / 17
X = arccos(9/17)
X = 58.0 degrees