Cube walls

Find the volume and the surface area of the cube if the area of one of its walls is 40 cm2.

Correct result:

V =  252.9822 cm3
S =  240 cm2

Solution:

S1=40 cm2 a=S1=40=2 10 cm≐6.3246 cm  V=a3=6.32463=80 10=252.9822 cm3
S=6⋅ S1=6⋅ 40=240 cm2

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