Cone Area Calculator
This free online calculator will help you to find the area of a cone surface.
Using this online calculator, you will receive a detailed step-by-step solution to your problem, which will help you understand the algorithm how to find cone surface area.
Calculation of Cone Area
Enter the value of radius and slant height of the cone
Entering data into the cone area calculator
You can input only integer numbers or fractions in this online calculator. More in-depth information read at these rules.
N.B. In online calculator you can use the value in the same units of measurement!
Additional features of cone area calculator
Theory. Cone Area
Coneis a three-dimensional geometric shape that is obtained by the rotation of right triangle around one of its cathetus.
The formula for the lateral surface area of a coneA = π R l
The surface area of a cone is the sum of the area of the base (circular bottom) and the lateral surface areaA = π R2 + π R l = π R (R + l)
where A - area,
R - radius of the base,
l - slant height,
π = 3.141592.
You can input only integer numbers, decimals or fractions in this online calculator (-2.4, 5/7, ...). More in-depth information read at these rules.
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