Cuboid surface

Determine surface area of cuboid if its volume is 52.8 cm cubic and length of the two edges are 2 cm and 6 cm.

Correct result:

S =  94.4 cm2

Solution:

V=52.8 a=2 b=6 S1=a⋅ b=2⋅ 6=12 c=V/S1=52.8/12=225=4.4 S=2⋅ S1+2⋅ c⋅ (a+b)=2⋅ 12+2⋅ 4.4⋅ (2+6)=4725=4725 cm2=94.4 cm2

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