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.
### 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.
- A = π × 5²
- = π × 25
- = 3.14159 × 25
- ≈ 78.5398