I think its irrational bc if you put it as the squareroot of 329, it results in neverending decimals.
18^2=324+5=329
The answer would be A. 344000 and H=6 :)
Use the Pythagoras Theorem in the corresponding right angled triangles.
d !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1!!!!!!!!!!!!!!!!!!!!!!!!!!!
