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The circumference of a circular hot tub at a hotel is 56.5 yards. What is the diameter of the hot tub?

The circumference of a circular hot tub at a hotel is 56.5 yards. What is the diameter of the hot tub?
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The circumference of a circular hot tub at a hotel is 56.5 yards. What is the diameter of the hot tub?

User StalkerMuse
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c = 2\pi * r \\ 56.5 / 2 = \pi * r \\ 28.25 / \pi = r \\ 9 = r \: then \: * 2 = d \: \\ diameter \: is \: 18
User Maljam
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