Question
The figure shows a piece of square paper NPQR folded at two of its corners N and Q. Given that ∠NRS = 15° and ∠QRT = 12°, find ∠NRQ.
2 m

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The figure shows a piece of square paper NPQR folded at two of its corners N and Q. Given that ∠NRS = 15° and ∠QRT = 12°, find ∠NRQ.