how to find the two cubes are joined the cm is 216 what is the cm of the top surface is
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Step-by-step explanation:
Let the side of each cube be a. Then a3=216
∴a=3216=6cm
Now the two cubes of side 6 cm are joined to form a cuboid. So,
∴l=6+6=12cm,b=6cm,h=6cm
∴T.S.A=2(lb+bh+lh)
=2[(12×6)+(6×6)+(12×6)]
=2[72+36+72]
=2×180=360cm2
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