Uboid volume

Calculate the cuboid volume if the walls are 30cm², 35cm², 42cm²

Correct result:

V =  210 cm3

Solution:

S1=ab=30 S2=bc=35 S3=ac=42  V=abc S1⋅ S2⋅ S3=ab⋅ bc⋅ ac=a2⋅ b2⋅ c2 S1⋅ S2⋅ S3=(abc)2=V2  V=S1⋅ S2⋅ S3 V=30⋅ 35⋅ 42=210 cm3

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