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A cube has a surface area of 486cm^2. what is its side length?
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3 votes
A cube has a surface area of 486cm^2. what is its side length?

User LJG
by
6.7k points

1 Answer

3 votes

Answer:

9 cm

Explanation:

Total surface area of a cube =486 cm²

We know that the surface area of the cube

=6l²

Therefore,

6l ² =486

l² =81

l =9 cm

User Moriah
by
6.7k points
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