Question
The figure shows a piece of rectangular paper MNPQ folded at two of its corners P and Q. Given that ∠QSR = 20° and ∠PST = 19°, find ∠PSQ.
2 m

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The figure shows a piece of rectangular paper MNPQ folded at two of its corners P and Q. Given that ∠QSR = 20° and ∠PST = 19°, find ∠PSQ.