Question

a square field has an area of 479 ft^2 . what is the approximate length of a side of the field ? but the answer in the nearest foot ? someone please do this step for step for me because i really need help

Answer 1

Use your calculator to find √479 , round to nearest whole number

or

you know 20x20x = 400
21x21 = 441
22x22 = 484

so what do you think?