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What is the best estimate of the circumference of a circle with a diameter of 47 mm: a) 141mm b) 139mm c) 121mm d) 100mm
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What is the best estimate of the circumference of a circle with a diameter of 47 mm: a) 141mm b) 139mm c) 121mm d) 100mm

User OriBS
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1 Answer

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Using the formulasC=2π r
d=2r
Solving for C:
C=π
d=π·47≈147.65485mm

User Shawn Mehan
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