Question
The figure shows a rectangle HKLJ being folded along HR. Given that ∠RHK = 21°, find
  1. ∠d
  2. ∠e
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 HKLJ being folded along HR. Given that ∠RHK = 21°, find
  1. ∠d
  2. ∠e