by joining the two corresponding faces of two cubes of volume 27 cm square each another solid is formed find the surface area of new cuboid
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Answer:
90 cm^2
Step-by-step explanation:
Volume of one cube, v=27 cm
3
Therefore, side of a cube s=v
1/3
=27
1/3
=3 cm
Two cubes of the same volume joined together to form a cuboid.
Therefore, the length of cuboid, L=2s=6 cm
Width of cuboid (B) = Height of cuboid (H) =s=3 cm
Surface Area of cuboid,
S.A=2(LB+BH+LH)=2(6×3+3×3+6×3)=2(18+9+18)=90 cm^2
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