Find the lengths of the medians of the triangle with vertices A(0, 0, 6), B(0, 4, 0), and C(6, 0, 0).
a) (2√13), (2√13), (2√13)
b) (3√6), (3√6), (3√6)
c) (4√3), (4√3), (4√3)
d) (6√2), (6√2), (6√2)