Name
Math.PI Property — the ratio of a circle’s circumference to its diameter, approximately 3.14159
Availability
Flash 5; may be used when exporting Flash 4 movies
Synopsis
Math.PI
Description
The PI
property represents the constant π, the
ratio of the circumference of a circle to its diameter.
Example
Math.PI
is most famously used in calculating the
area of a circle:
function circleArea (radius) { // PI times the radius squared could also be // written as Math.PI * Math.pow(radius, 2) return Math.PI * (radius * radius); }
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