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

User Samundra
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1 Answer

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EF = (60/180) * 22/7 * 21 = 22mm
User Savetheclocktower
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