Question
ABC and HBC are isosceles triangles. AB = AC, HB = HC, ∠ABH = 15° and ∠BHC = 120°. Find ∠y.
2 m

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ABC and HBC are isosceles triangles. AB = AC, HB = HC, ∠ABH = 15° and ∠BHC = 120°. Find ∠y.