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

1 answer:

7 0

$c = 2\pi \times r \\ 56.5 \div 2 = \pi \times r \\ 28.25 \div \pi = r \\ 9 = r \: then \: \times 2 = d \: \\ diameter \: is \: 18$

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