Cube diagonals

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

Correct answer:

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

Step-by-step explanation:

V=27 cm3 a=3V=327=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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