Cuboid - box

The box has the shape of a cuboid with dimensions of 5 cm and 30 mm. Calculate the box's height if the cuboid's volume is 0.60 dm3. Calculate the surface area of ​​the box. (calculation of height from the volume, calculation of area from the formula, keep the same units)

Correct answer:

c =  40 cm
S =  670 cm2

Step-by-step explanation:

a=5 cm b=30 mm cm=30:10  cm=3 cm S1=a b=5 3=15 cm2  V=0.60 dm3 cm3=0.60 1000  cm3=600 cm3  V = S1 c  c=V/S1=600/15=40 cm
S=2 (a b+b c+c a)=2 (5 3+3 40+40 5)=670 cm2

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