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18-12-2017
Mathematics

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A circle has a radius of 4ft . find the length s of the arc intercepted by a central angle of 156° .

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Аноним Аноним

18-12-2017

the circumference = 2 pi r = 2*pi*4 = 8pi ft

length of arc s = 8pi * 156/360 = 3.4667 pi = 10.89 feet to nearest hundredth

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