Question

If the area of a square field is 441 sq. m., then the length of its side is​

Answer 1

Answer:

Let the length of the side of a square be x meter.

Area of square=(side)2=x2

According to question,

x^2=441x

x=√441=√3×3×7×7

x=3 x 7

x=21 m

Hence, the length of side of a square is 21 m.

Step-by-step explanation:

Hope it helps✌️

Answer 2

Answer:

given rea of square we know area of square=

$side {}^{2}$

so,441=(side)² side=

$\sqrt{441}$

$\sqrt{21 \times 21}$

therefore side=21 m²