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Citrus2011 [14]
3 years ago
14

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

Mathematics
1 answer:
Iteru [2.4K]3 years ago
4 0
EF = (60/180) * 22/7 * 21 = 22mm
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