Answer:
40.9 feet
Explanation:
Rectangle area = length * width
A = l*w
w = 34.5 ft
A = 755 ft.
find diagonal length.
l = A/w = 755/34.5 = 21.884057 = 151/6.9 ft.
d = root ( w^2 + l^2) = root (34.5^2 + (151/6.9)^2 )
d = root( 1,190.25 + 478.91195)
d = 40.8553784 ft