Volume and body diagonal

Calculate how much the volume and body diagonal of the cuboid decrease if we reduce each of its three edges a, b, c by 18%?

Correct answer:

p1 =  44.8632 %
p2 =  18 %

Step-by-step explanation:

p=18 % q=1p/100=118/100=4150=0.82 p1=100 (1q3)=100 (10.823)=44.8632%

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