Use our Lateral Area of a Cone Calculator to quickly determine the curved surface area. Simply input the cone's radius and slant height for instant, accurate results. Understand the fundamental geometry formula πrl.
Formula:
The formula to calculate the lateral area (LA) of a cone is: LA = π × r × l
Where:
- LA = Lateral Area
- π (Pi) ≈ 3.14159
- r = Radius of the base
- l = Slant height of the cone