Question
The figure, not drawn to scale, shows a piece of rectangular paper EFGH folded at two of its corners G and H. ∠HKJ is 10° larger than ∠GKL but it is one-quarter the size of ∠GKH. Find ∠GKH.
3 m

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The figure, not drawn to scale, shows a piece of rectangular paper EFGH folded at two of its corners G and H. ∠HKJ is 10° larger than ∠GKL but it is one-quarter the size of ∠GKH. Find ∠GKH.