TRAPEZOIDAL or NON-RECTANGULAR
CROSS-SECTION
CALCULATOR
Diagram and Example Calculations
Development of Trapezoidal Section
Enter Data
Miter Angle
μ
:
Bevel Angle
β
:
Cross-Section Angle
α
:
Rectangle Dimensions
Width
:
Height
:
angle on sloped face
MIT
=
90 -
MIT
=
180 -
MIT
=
Projected Triangle Angles
projected 90 -
α
BEV
=
projected
α
ρ
=
projected
Right Angle
=
Parallelogram Angles
projected
Right Angle
=
Supplementary Angle
=
Dihedral Angles
along line of
MIT
XDIH
=
Blade Angle
=
along line of
β
YDIH
=
Blade Angle
=
along line of
μ
ZDIH
=
Blade Angle
=
Cross-Section Triangle Dimensions
Rise =
Run =
Slope =
Projected Triangle Dimensions
projected rise to line of
β
=
*
projected run to line of
μ
=
*
length along slope of
MIT
=
*
equal to corresponding
Trapezoid Edges
Parallel Trapezoid Edges
minimum along line of
β
=
maximum along line of
β
=
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