Circumference 5487

Calculate the solid diagonal of a cube if you know that the circumference of one of its walls equals 39 centimeters.

Correct answer:

u =  16.8875 cm

Step-by-step explanation:

o=39 cm a=o/4=39/4=439=9.75 cm u=3 a=3 9.75=16.8875 cm



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