Question

find the lenth of a square whose area is 81 m²​

Answer 1

Answer:

Let the length of the square with area 81 m²​ be 'x' m

Area = 81 m²​

Side = x

x²​ = 81

x²​ = 9 × 9

x = 9

Hence, the side of the square with area 81 m²​ is 9 m

Hope it helps

Answer 2

Answer:

Step-by-step explanation:

Area of a square = Side x Side = Side^2. Therefore, the side/length of a square = √Side^2. Side of the square = √81 = 9 mm.

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