Cube diagonals

Calculate the length of the side and the diagonals of the cube with a volume of 27 cm3.

Correct result:

a =  3 cm
u1 =  4.2426 cm
u2 =  5.1962 cm

Solution:

V=27 cm3 a=V3=273=3 cm
u1=2⋅ a=2⋅ 3=3 2=4.2426 cm
u2=3⋅ a=3⋅ 3=3 3=5.1962 cm

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