Question

four cubes of side 8cm are stacked one on top of the other. Find the total surface area and volume of the arrangement ​

Answer 1

Step-by-step explanation:

surface area = (64 ×4)+64

volume = 4×512= 2048

Answer 2

Answer:

Total surface area is 1152 cm² and volume is 2048 cm³

Step-by-step explanation:

Since, by stacking 4 cubes of side 8 cm on top of the other,

Then we obtained a cuboid,

Having length, l = 8 cm,

Width, w = 8 cm,

Height, h =  4 × 8 = 32 cm,

Surface area of a cuboid,

$A = 2( lw + wh + hl)$

$=2(8\times 8 + 8\times 32 + 32\times 8)$

$=2(64 + 256 + 256)$

$=2(576)$

= 1152 cm²,

Volume of the resultant figure,

V = lwh

= 8 × 8 × 32

= 2048 cm³

#Learn more :

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