What is the arc length of arc cd in the circle below?
3.14 feet
4.88 feet
6.98 feet
11.78 feet

The arc will be a proportion of the circumference.

The circumference is 2πr = 6.28(15 ft) = 94.2 ft

The proportion is 45/360

Then the arc is (45/360)*94.2 ft = 11.78 ft

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