Geometry · Classes 5, 6, 7, 8, 9, 10
Circle Area
Area inside a circle of radius r.
FORMULA
\(A=\pi r^2\)
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Enter values to see a result and calculation steps.
Worked example
r = 7 ⇒ A ≈ 153.94
Understand this formula
Area inside a circle of radius r.
Check measurement units, mathematical domains and rounding before applying any result in an examination.