UselindyScbf UselindyScbf
  • 13-03-2017
  • Mathematics
contestada

Circle d has a radius of 21 millimeters and central angle, ∠edf, which measures 60°. find the exact length of ef.

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Аноним Аноним
  • 13-03-2017
EF = (60/180) * 22/7 * 21 = 22mm
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