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The length of the vine wounded to the tree is 21 feet.
Circumference is the perimeter of a circular object. Therefore,
circumference = 2πr
where
The circumference of the tree is 3 feet. A vine was wound around 7 times .
The length of the vine can be calculated as follows:
Therefore,
circumference = 3 ft
length of the vine = 7 × 3
length of the vine = 21 feet
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