Question

find the volume and surface area of 4 cuboid joined whose side is 8 CM
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Answer 1

Answer:

Assuming that by mistake you wrote cuboid instead of cube,

Volume = 2048 cm^3

Surface area = 1152 cm^2

Step-by-step explanation:

Volume = Volume of one cube x 4

= (8x8x8)cm^3 x 4

= 512 cm^3 x 4

= 2048 cm^3

Surface area = Area of 2 squares on either sides + Area of the rest 4 sides(which are equal in area)

= (8x8) x 2 + (8x(8+8+8+8)) x 4 cm^2

= 64 x 2 + 8 x 32 x 4 cm^2

= 128 + 1024 cm^2

= 1152 cm^2

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