A circle has a radius of 12ft . find the length s of the arc intercepted by a central angle of 9° .

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01-12-2017
Mathematics

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A circle has a radius of 12ft . find the length s of the arc intercepted by a central angle of 9° .

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kritter1 kritter1 · Answer 1 · 2017-12-01T11:03:20+01:00

kritter1 kritter1

01-12-2017

Plug in the values into the base equation;

[tex]l=2 \pi r( \frac{ \alpha }{360} )[/tex] <-- alpha is the degree

l=2 \pi (12)(9/360)
l=1.88495 ft ≈ 1.90 ft

Hope I helped :)

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