Calculadora da Area do Circulo — Formula

How to Calculate the Area of a Circle

Formula

A = π × r²

Where:

  • A = Area
  • π ≈ 3.14159
  • r = radius

    • The area is the space enclosed within the circle.

    Exemplo Resolvido

    Find the area of a circle with radius 5.

    1. A = π × 5²
    2. = π × 25
    3. = 3.14159 × 25
    4. ≈ 78.5398