Question

give me ans in full process ans,is= 28.3m

Answer 1

Area of square =side²

800=side²

√800=side²

20√2 =side

Now,

Estimate length of side of square is 20√2 m


As the value of √2 is 1.41 (approx. Value)


Estimate length of side of square =20*1.41 =28.2 m

I hope this will help you

-by ABHAY