Question
The figure shows a piece of rectangular paper NPQR folded at two of its corners Q and R. Given that ∠RTS = 23° and ∠QTU = 16°, find ∠QTR.
2 m

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The figure shows a piece of rectangular paper NPQR folded at two of its corners Q and R. Given that ∠RTS = 23° and ∠QTU = 16°, find ∠QTR.