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Find the surface area of a cuboid whose
(i) length = 10 cm, breadth = 12 cm, height = 14 cm
(ii) length = 6 dm, breadth = 8 dm, height = 10 dm
(iii) length = 2m, breadth = 4 m, height = 5 m
(iv) length = 3.2 m, breadth = 30 dm, height = 250 cm.
(i) Given,
Length = 10 cm
Breadth = 12 cm
Height = 14 cm
So,
Surface area of cuboid = =
=
(ii) Given,
Length = 6 dm
Breadth = 8 dm
Height = 10 dm
So,
Surface area of cuboid =
=
(iii) Given,
Length = 2m
Breadth = 4m
Height = 5m
So,
Surface area of cuboid =
=
(iv) Given,
length = 3.2 m= 32 dm
breadth = 30 dm
height = 250 cm= 25 dm
so,
surface area of cuboid =
=