Question
The figure shows a piece of rectangular paper EFGH folded at two of its corners G and H. Given that ∠HKJ = 30° and ∠GKL = 19°, find ∠GKH.
2 m

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The figure shows a piece of rectangular paper EFGH folded at two of its corners G and H. Given that ∠HKJ = 30° and ∠GKL = 19°, find ∠GKH.