Problem:
Two circles that share the same center have radii meters and meters. An aardvark runs along the path shown, starting at and ending at . How many meters does the aardvark run?
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Answer Choices:
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Solution:
The length of first leg of the aardvark's trip is meters. The third and fifth legs are each meters long. The second and sixth legs are each meters long, and the length of the fourth leg is meters. The length of the total trip is meters.
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions