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Mathematics

1 answer:

Harrizon [31]3 years ago

7 0

Answer:

9 yd

Step-by-step explanation:

A cube consists of 6 square faces.

Divide the surface area by 6 for the area of one face

486 ÷ 6 = 81 yd²

The area of a square is

A = s² ( s is the side length )

Here A = 81, then

s² = 81 ( take the square root of both sides )

s = $\sqrt{81}$ = 9

Thus side length is 9 yd

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