Question
The figure shows a piece of square paper QRST folded at two of its corners Q and S. ∠QUT is 4 times as large as ∠QTU and ∠STV is 8° smaller than ∠QTU. Find ∠QTS.
4 m

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The figure shows a piece of square paper QRST folded at two of its corners Q and S. ∠QUT is 4 times as large as ∠QTU and ∠STV is 8° smaller than ∠QTU. Find ∠QTS.