Body diagonal

Find the cube surface if its body diagonal has a size of 6 cm.

Correct result:

S =  72 cm2

Solution:

u=6 a=u/3=6/3≐2 3≐3.4641 S=6⋅ a2=6⋅ 3.46412=72 cm2

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Pythagorean theorem is the base for the right triangle calculator.
See also our trigonometric triangle calculator.

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