The current San Francisco cable railway is driven by two large 12-foot-diameter drive wheels, called sheaves. Because of the figure-eight system used, the cable subtends a central angle of 270° on each sheave. Find the length of cable riding on one of the drive sheaves at any given time.
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a = 12 ft
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If the answer needs rounding round it to three significant digits.
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__________ feet
What will be an ideal response?
28.3
Mathematics
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