Geometry · Classes 5, 6, 7, 8
Circle Circumference
Distance around a circle of radius r.
FORMULA
\(C=2\pi r\)
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Worked example
r = 7 ⇒ C ≈ 43.98
Understand this formula
Distance around a circle of radius r.
Check measurement units, mathematical domains and rounding before applying any result in an examination.