Question

the area of a square field is 748m² find the length of its side​

Answer 1

$A = 748m {}^{2} \\ \\ l = ? \\ \\ = > A = l {}^{2} \\ \\ = > l = \sqrt{A} \\ \\ = \sqrt{748} \\ \\ = 27.34 \: m$

I hope this helps.