Kaneko01 Kaneko01

19-07-2017
Mathematics

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what is the degree measure of an arc 4 pi feet long in a circle radius of a 10 foot radius

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Аноним Аноним

19-07-2017

circumference = 2 pi r = 20 pi
corresponding to 360 degrees

so an arc of 4pi feet will have a degree measure of 5pi / 20pi * 360 = 1/4 * 360 = 90 degrees

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