Question
YZAB is a parallelogram which was folded along the dotted lines to form rectangle YWAX. The two shaded triangles are the flaps formed after the folding. Given that ∠YVA = 130°, find ∠BYZ.
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YZAB is a parallelogram which was folded along the dotted lines to form rectangle YWAX. The two shaded triangles are the flaps formed after the folding. Given that ∠YVA = 130°, find ∠BYZ.