AreaCircle(radius)
Last updated July 17, 2001
Version: 1 | Requires: ColdFusion 5 | Library: MathLib
Description:
Calculates the area of a circle based on the radius.
Return Values:
Returns the area of the circle
Example:
<CFOUTPUT>
Given r=#r#
The area of the circle is #AreaCircle(r)#
</CFOUTPUT>
Parameters:
| Name | Description | Required |
|---|---|---|
| radius | 1/2 the diameter of the circle | Yes |
Full UDF Source:
<cfscript>
/**
* Calculates the area of a circle.
*
* @param radius 1/2 the diameter of the circle
* @return Returns the area of the circle
* @author Rob Brooks-Bilson (rbils@amkor.com)
* @version 1, July 17, 2001
*/
function AreaCircle(radius)
{
Return (Pi()*(radius^2));
}
</cfscript>
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