Cuboid - Vab

Find the surface of the cuboid when its volume is 52.8 cubic centimeters, and the length of its two edges is 2 centimeters and 6 centimeters.

Correct result:

S =  94.4 cm2

Solution:

V=52.8 cm3 a=2 cm b=6 cm  S1=a⋅ b=2⋅ 6=12 cm2 c=V/S1=52.8/12=225=4.4 cm S=2⋅ S1+2⋅ c⋅ (a+b)=2⋅ 12+2⋅ 4.4⋅ (2+6)=4725=94.4 cm2

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