Body diagonal

Find the length of the body diagonal of a cuboid with edges lengths of 16 cm, 7 cm, and 4 cm.

Correct answer:

s =  17.9165 cm

Step-by-step explanation:

a=16 cm b=7 cm c=4 cm  s=a2+b2+c2=162+72+42=321=17.9165 cm

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