Mathematics, 09.04.2021 01:00 ineedhelp2285
Triangle ABC maps to triangle XYZ by a rotation of 90∘ counterclockwise about the origin followed by a reflection across the line y=x. In triangle ABC, m∠A=45∘, m∠B=55∘, and m∠C=80∘.
What is the measure of ∠Y?
Enter your answer as the correct value, like this: 42
Answers: 2
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Triangle ABC maps to triangle XYZ by a rotation of 90∘ counterclockwise about the origin followed by...
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