The answer is
m∠HLI = m∠ILM
All real numbers / all x
if you're asking for range as well then its -1<x<1
1.05 is the answer to this question.
A is irrational but b is rational. This is because for b you can work out both square root of 64 (8) and square root of 4 (2). But for a, the square root of 5 is an irrational number :)
