Question
The figure shows a rectangle NQRP being folded along NB. Given that ∠BNQ = 21°, find
  1. ∠s
  2. ∠t
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 NQRP being folded along NB. Given that ∠BNQ = 21°, find
  1. ∠s
  2. ∠t