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What is the perimeter of a square whose area is 81 m2?
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What is the perimeter of a square whose area is 81 m2?

User Jan Berkel
by
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1 Answer

4 votes

Answer:

36 m

Explanation:

The area (A) of a square is calculated as

A = s² ( s is the side length )

Here A = 81 , then

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

s =
√(81) = 9

Perimeter = 4s = 4 × 9 = 36 m

User Yu Mad
by
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