Cube wall

The perimeter of one cube wall is 120 meters. Calculate the surface area and the body diagonal of this cube.

Correct result:

S =  5400 m2
u =  51.9615 m

Solution:

o=120 m a=o/4=120/4=30 m S1=a2=302=900 m2 S=6 S1=6 900=5400 m2
u=3 a=3 30=30 3=51.9615 m



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