Method: Joules.circumference

Defined in:: lib/joules/geometry.rb

.circumference(radius) ⇒ `Float`

Calculates the circumference of a circle given radius.

Examples:

Joules.circumference(12) #=> 75.398223686155

Parameters:

radius (Int, Float) —

radius >= 0; radius is in a unit of length

Returns:

(Float) —

return value >= 0; return value has the same units as radius



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# File 'lib/joules/geometry.rb', line 40

def circumference(radius)
  return 2 * Math::PI * radius
end