Final answer:
The diameter of the circle is 20 ft.
Step-by-step explanation:
To find the diameter of a circle, we can use the formula: diameter = circumference / π. Given that the circumference of the circle is 20π ft, we can substitute this value into the formula: diameter = 20π ft / π. Simplifying the expression, we find that the diameter of the circle is 20 ft.
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