Question

Triangle ABC is similar to triangle XYZ by the AA Similarity Postulate. Also, m∠A = 73° and m∠C = 43°. What is m∠Y?

Answer 1

∠Y = 64°

since the triangles are similar

∠Y = ∠C

∠C = 180° - (73 + 43 )° = 64° = ∠Y