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Volume of cube=125 cm³
Volume of cube= (side)³
5 cm= side

When 2 cubes are joined,
Length of cuboid=5+5=10 cm
Breadth of cuboid=5 cm
Height of cuboid=5 cm

Surface area of cuboid= 2(lb+bh+hl)
              "                   =2[(10x5)+(5x5)+(10x5)]
                                   250 cm²

2 4 2
surface area of cuboid is 250cm sq.
Let side of cube be a
a CUBE=125
TSA of cuboid=2(5 *a sq)
1 3 1
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