two cubes,each of volume 729cmcube are joined end to end.Find the total surface area of the resultant cuboid
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Given volume of cube is 729cmcube
Volume of cube is a cube
729 = a^3
a=cube root 729
a=9cm
Length of cuboid is 18cm
Breath of cuboid is 9cm
Height of cuboid is 9cm
T.S.A of cuboid = 2(lb+bh+hl)
=2(18*9+9*9+9*18)
=2(162+81+162)
=2*405
=810cm square Answer.
Volume of cube is a cube
729 = a^3
a=cube root 729
a=9cm
Length of cuboid is 18cm
Breath of cuboid is 9cm
Height of cuboid is 9cm
T.S.A of cuboid = 2(lb+bh+hl)
=2(18*9+9*9+9*18)
=2(162+81+162)
=2*405
=810cm square Answer.
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