Question
The figure shows a rectangle DFGE being folded along DX. Given that ∠XDF = 19°, find
  1. ∠n
  2. ∠z
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

The figure shows a rectangle DFGE being folded along DX. Given that ∠XDF = 19°, find
  1. ∠n
  2. ∠z