No it is not, as the square root of 240 is not an natural number or zero.
No.
The square root of 240 is: ± 15.491933
240 x 240=57600
±15.491933384829668
15.4919334
15.49
The square root of 240 will be roughly halfway between 15 and 16. 15.4 is too low, 15.5 is too high. 15.49 works for me.
no
4 times the square root of 15.
The cube root of 240 is: 6.21446501
240 square meters is 2,583.34 square feet.