Body diagonal

Calculate the volume and surface of the cube if the diagonal body measures ten dm.

Correct answer:

V =  192.4501 dm3
S =  200 dm2

Step-by-step explanation:

u=10 dm  u2=a2+a2+a2 = 3 a2 u = 3 a  a=u/3=10/35.7735 dm  V=a3=5.77353=192.4501 dm3
S=6 a2=6 5.77352=200 dm2

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