Question

if the area of a square is 81m2 then find the side of square​

Answer 1

Answer:

side = 9 m

Step-by-step explanation:

Area of square = 81 m^2

Area of square = ( side ) ^ 2

81 m^2 = ( side) ^ 2

side = √ 81 m^ 2

side = 9 m

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Answer 2

Answer:

The side of the square will be 9m.

Step-by-step explanation:

Given: The area of a square is 81 m square.

We have to find the side of the square.

• As we know that the formula is used to calculate the area of the square is: $Area= side ^2$

We are solving in the following way:

We have,

The area of a square is 81 m square.

The side of the square will be:

$Area= side ^2$

We will put the given value in the above formula;

$=>81=side^2\\=>\sqrt{81} =side\\=>side=9\ \ \ [\because 9\times9=81]$

Hence, the side of the square will be 9m.