Moment of InertiaSection Calculator Section Calculator – Triangle Section admin April 22, 2016April 22, 2016 Cross Section Area, Moment of inertia, Moment of Inertia Calculator, Radius of gyration, Section Calculator, Section Modulus, Triangle Section W T C L Rectangle HRectangle HSquare Square Pipe Circle SemiCircle Triangle Base b: Height h: Area is: Moment of Inertia is: Section Modulus is: Radius of Gyration is: Calculate Moment of Inertia for a Triangle section, find cross sectional area, section modulus and radius of gyration for a Triangle shape beam.