Question
The figure shows a piece of square paper KLMN folded at two of its corners K and M. Given that ∠KNP = 10° and ∠MNQ = 20°, find ∠KNM.
2 m

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The figure shows a piece of square paper KLMN folded at two of its corners K and M. Given that ∠KNP = 10° and ∠MNQ = 20°, find ∠KNM.