Area of a Circle
Also known as: Circle Area Formula
A = \pi r^2
A = πr²What It Calculates
Calculates the area enclosed by a circle given its radius.
variables
| Symbol | Name | Description |
|---|---|---|
| A | Area | The area enclosed by the circle |
| r | Radius | Distance from the center to any point on the circle |
Worked Examples
1
A = π × 7² = π × 492
A = 153.94 sq unitsResult: 153.94 sq units
Greșeli comune
Use radius, not diameter — if given diameter, divide by 2 first
Try a Calculator
Related Formulas
#geometry#circles#area