Solve the problem.A pendulum swings though an angle of 30° each second. If the pendulum is 45 inches long, how far does its tip move each second? If necessary, round the answer to two decimal places.
A. 24.85 in.
B. 21.71 in.
C. 25.99 in.
D. 23.56 in.
Answer: D
Mathematics
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A. 9
B. 
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