Pythreom Theron What is the answer to this problem answer asap

Question

A  rectangular shaped room has a width of 12 feet length of 20 feet and the height of 8 feet what is the approximate distance from one corner on the floor to the opposite corner on the ceiling 

Answer 1

sqrt(8^2 + 12^2 + 20^2) = sqrt(64 + 144 + 400) = sqrt(608) = sqrt(16*38) = 4 sqrt(38) is approximately 24.6577