No.
21*21 = 441 square feet.21*21 = 441 square feet.21*21 = 441 square feet.21*21 = 441 square feet.
21The square root of 441 is 21
441 has two square roots; 21 or -21.
the square of 21 is 441
length x length = area length = square root of 441= 21 inches
21
It is 21
21*21=441 (Less than 450) the next integer 22*22=484 (More than 450)
441 square root
They are 21 and -21.
21