you mean square root of 25?
252 = (25 x 25)
= 625
1 square mile equates to 102,400 square rods.
25 rods is 412.5 feet.
1 sq mile = 102400 sq rods
A rod is five and a half yards. To convert from square yards to square rods (why you would want to do such a ridiculous thing, I can't imagine) you divide by 30.25, which is 5.5 squared.
The square of 25 is 25 x 25 = 625. The principal square root of 25 is 5.
20-rods x 80-rods = 1,600 square rods = 10 acres = 435,600 square feet
160 square rods = 1 acre.
1 square mile equates to 102,400 square rods.
25 rods is 412.5 feet.
5 square rods is an area equal to 1,361.25 square feet.
160 square rods equal to 1 acre
40 square rods = 1/4 acre.
45 acres is 7,200 square rods.
7,040 square rods is 44 acres.
190 square rods is equal to 1.1875 acres ( 1 3/16 acres, or 51727.5 square feet) There are 160 square rods in an acre.
63 square rods is 0.39375 acres.
1 sq mile = 102400 sq rods