Answer:
The principal, real, root of:
²√7.937005259841 = 2.81726911
All roots:
2.81726911
−2.81726911
7.937005259841 is not a perfect square
Explanation:
side length a = 7.937005259841 ft
face diagonal f = 11.224620483094 ft
solid diagonal d = 13.747296369986 ft
surface area S = 377.97631496846 ft2
volume V = 500 ft^3