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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asked Mar 2, 2018 215k views

1 Answer

Junichi Ito · Answer 1 · 2018-03-07T23:33:52+0000

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

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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