Question

Two cubes,each of volume 729cm cube are joined end to end. find the surface area of resulting cuboid​

Answer 1

Step-by-step explanation:

The volume of cube 729

The side of cube is

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Answer 2

Answer:

Step-by-step explanation:

total volume of cuboid is 2*729=1458cm³

a³=1458 a=11.2   l=22.4 b=11.2  h=11.2

surface area of cuboid= 2(lb+bh+hl)

                                       =2(250.88+125.44+250.88)

                                        2(627.2) = 1254.4 cm²