Two cubes each of volume 27^3cm are joined end to end to form a solid. Find the surface area. of resulting solid.

Given :-

To Find :-

Solution :-

Given that the volume of cube is 27cm³ . We know that the volume of cube is given by (side)³ .

So , if we assume each side to be a , then ,

a³ = 27cm³

a = ³√{27cm³}

a = ³√3³cm³

a = 3 cm .

See attachment for figure .

And as we know that TSA of cuboid is ,

TSA = 2( lb + bh + hl )

TSA = 2 ( 6*3 + 3*3 + 3*6) cm²

TSA = 2 ( 18 +9 +18 )cm²

TSA = 2 * 45cm²

TSA = 90 cm²

Hence the new surface area of the solid is 90cm² .

I hope this helps.

b) 36

step-by-step explanation:

18 times 2 is 36

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