Respuesta :

The area of a circle is π (Pi) times the Radius squared:
A = π × r2

Or, when you know the Diameter:


A = (π/4) × D2

Or, when you know the Circumference:


A = C2 / 4π

Hope it helps
Its Area = 3.14r^2 or pie multiplied by r or the radius then square the product

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