Find the side of a square if its area is 324 cm.
| January 3, 2021 | education
A square is a quadrilateral with all sides equal and all corners straight.
The area is denoted by the letter S. Let’s write the formula for the area of a square:
S = a²,
where a is the side length of the square.
Let us express its side from the formula for the area of a square:
a = √ S.
Let’s calculate the side of the square:
a = √ 324 = 18 cm.
Answer: the side of the square is 18 cm.
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