Geometrical Properties of Equilateral Triangle

Side length

a =   m

Height

h =  32·a m

Area

A = a·h2 m²

Perimeter

P = 3·a m

Centroid

y_c = a2 m

z_c = h3 m

Second moments of area

I_y = a·h³36 m⁴

I_z = a³·h48 m⁴

Polar moment of area

I_x = I_y + I_z m⁴

Torsional constant

I_t = a⁴· 380 m⁴

Torsional section modulus

W_t = a³20 m³

Radii of gyration

r_y =  I_yA m

r_z =  I_zA m

r_x =  I_xA m