A Circumscribing Regular Polygon
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Perimeter
where n is the number of sides
Use the Polar Moment of Inertia Equation for a triangle about the
(
x
1
,
y
1
) axes where:
Multiply this moment of inertia by n. This is the Polar Moment of Inertia of a Regular n sided Polygon about the Centroidal Axis.
Moment of Inertia
Geometric Properties
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