Question
The figure shows a piece of square paper TUVW folded at two of its corners T and V. ∠TXW is 4 times as large as ∠TWX and ∠VWY is 12° smaller than ∠TWX. Find ∠TWV.
4 m

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The figure shows a piece of square paper TUVW folded at two of its corners T and V. ∠TXW is 4 times as large as ∠TWX and ∠VWY is 12° smaller than ∠TWX. Find ∠TWV.