Question
The figure shows a piece of square paper PQRS folded at two of its corners Q and S. Given that ∠RUS = 78° and ∠QTR = 74°, find ∠QRS.
3 m

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The figure shows a piece of square paper PQRS folded at two of its corners Q and S. Given that ∠RUS = 78° and ∠QTR = 74°, find ∠QRS.