Percyblah Percyblah
  • 20-06-2017
  • Mathematics
contestada

What is the degree measure of an arc 4 ft. long in a circle of radius 10 ft.?

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mergl
mergl mergl
  • 20-06-2017
arc length, (s)=(radius, r)(central angle, q)
s=rq
q=s/r
q=4/10
q=2/5, or 0.4 radians
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