Question
A rectangular piece of paper is folded along the diagonal as shown in Figure T. It is folded again as shown in Figure U before the last fold in Figure V. If the angle is 61° in Figure V, what is ∠w?
3 m

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A rectangular piece of paper is folded along the diagonal as shown in Figure T. It is folded again as shown in Figure U before the last fold in Figure V. If the angle is 61° in Figure V, what is ∠w?