anonymous
  • anonymous
WILL FAN AND MEDAL For a circle of radius 4​ feet, find the arc length subtended by a central angle of 60 degrees. Round to the nearest hundredth.
Mathematics
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SOLVED
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chestercat
  • chestercat
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welshfella
  • welshfella
arc length = r * O where r = radius and O = the angle in radians so you first need to convert 60 degrees to radians
anonymous
  • anonymous
The formula for changing degrees to radians is pi/180(deg), right?
anonymous
  • anonymous
\[\frac{\pi 8\ 60}{360}=4.19 \text{ feet} \]

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anonymous
  • anonymous
pi d is the circumference length. d = 2r = 2*4 = 8

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