Get-TriangleArea.ps1
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function Get-TriangleArea { <# .Synopsis Gets the area of a triangle .Description Gets the area of a triangle, by solving the following equation: S = 1/2 * base * height #> [CmdletBinding(DefaultParameterSetName='TriangleAreaByBaseAndHeight')] param( # The base of the triangle [Parameter(Mandatory=$true,ParameterSetName='TriangleAreaByBaseAndHeight')] [Double] $Base, # The height of the triangle [Parameter(Mandatory=$true,ParameterSetName='TriangleAreaByBaseAndHeight')] [Double] $Height, # The length of side A. [Parameter(Mandatory=$true,ParameterSetName='TriangleAreaByTwoSidesAndAnAngle')] [Double] $LengthOfSideA, # The length of side B [Parameter(Mandatory=$true,ParameterSetName='TriangleAreaByTwoSidesAndAnAngle')] [Double] $LengthOfSideB, # The angle of C, in radians (unless -InDegrees is also set) [Parameter(Mandatory=$true,ParameterSetName='TriangleAreaByTwoSidesAndAnAngle')] [Double] $AngleC, # If set, angles will be in degrees [Parameter(ParameterSetName='TriangleAreaByTwoSidesAndAnAngle')] [Switch] $InDegrees ) process { if ($psCmdlet.ParameterSetName -eq 'TriangleAreaByBaseAndHeight') { Invoke-Equation { # S = 1/2 b h $triangleArea = (1/2) * $Base * $Height } -ShowWork:$ShowWork } elseif ($psCmdlet.ParameterSetName -eq 'TriangleAreaByTwoSidesAndAnAngle') { if ($InDegrees) { Invoke-Equation { # Convert Angle C into radians $AngleCInRadians = $AngleC * ([Math]::PI / 180) # S = 1/2 ab Sin(c) $triangleArea = (1/2) * $LengthOfSideA* $LengthOfSideB * [Math]::Sin($AngleCInRadians) } -ShowWork:$ShowWork } else { Invoke-Equation { # S = 1/2 ab Sin(c) $triangleArea = (1/2) * $LengthOfSideA* $LengthOfSideB * [Math]::Sin($AngleC) } -ShowWork:$ShowWork } } } } |