In \(x = y\) and \(a=b\). Prove that \(f || h\).

Proof:
Now, \(x = y\) (Given)
Therefore, \(f||g\) () ----(1)
Therefore, \(h|| g\) () -----(2)
From (1) and (2), \(f || h\) (Lines parallel to the same line)
Answer variants:
Alternate angles
Corresponding angles