y>=0 and sqrt(3) a>=2 (sqrt(3) x + y) and x>=0
(0, 0) | (a/2, 0) | (0, (sqrt(3) a)/2)
3
a>0
(data not available)
(sqrt(3) a)/2
A = (sqrt(3) a^2)/8
x^_ = (a/6, a/(2 sqrt(3)))
J_x invisible comma x = (sqrt(3) a^4)/64
J_y invisible comma y = a^4/(64 sqrt(3))
J_zz = a^4/(16 sqrt(3))
J_x invisible comma y = -a^4/128
r_x = a/(2 sqrt(2)) r_y = a/(2 sqrt(6))
a/2 | a | (sqrt(3) a)/2
a
p = 1/2 (3 + sqrt(3)) a
r = 1/4 (sqrt(3) - 1) a
R = a/2
a
χ = 1
s^_ = (a (204 + 36 sqrt(3) + 81 log(3) + 2 (9 + 8 sqrt(3)) log(2 + sqrt(3))))/1440