Question

find the side of a cube whose surface area is 256 cm²​

Answer 1

Answer:

Step-by-step explanation:

LSA of cube=4a^2

=256cm=4a^2

=256/4=a^2

=64=a^2

a=8cm

side =8cm

Answer 2

Answєr :-

Given :

Surface area - 256cm²

To find :

Side

Proof :

Surface area - 256cm²

Let, Side of a cube be "a"

Surface area of a square - 6a²

→ 256 = 6 × a²

→ 256

____ = a²

6

→ 4.41 = a²

→ a = √4.41

→ a = 6.6 cm

Therefore ,

Side of the cube is 6.6cm

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