Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.
Q: Problem: the length of minute hand of a clock is 5.4 cm. what is the area covered by this in 20 minutes
Options: a. 15.27, b. 16.27, c. 17.27, d. 30.54, e. 30.27
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
d