Answer:
27+18=45
Step-by-step explanation:
x+y=45
x+9=y
(x+9)+x=45
(18+9)+18=45
27+18=45
Square has all perimeter lines identical. to find the length of a side you can use a^2 = b^2 + c^2
24^2 = 576
as b and c are equal you can just divide 576 by 2 to get 288.
square root of 288 = 16.97 feet
1/3 is actually .333333333333333333333333(repeating) so go to 33%.