Question

What will be the total surface area of this large cube?
The cube shown above has a volume of 8cm3. 8 such cubes merge join to form a larger cube shown here a 96 CM square B 64 CM square 16 cm square 24 cm

Answer 1

Answer:

Volume of cube = a³ = 8cm³

a' = 2 cm

Volume of 8 such cube = 8*8 = 64cm³

now a³ = 64cm³

so new, a = 4cm

so total surface area of a cube formed by joining 8 small cube = 6a² = 6(4)² = 6*16

= 96cm²

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