Question
STU and ZTU are isosceles triangles. ST = SU, ZT = ZU, ∠STZ = 17° and ∠TZU = 114°. Find ∠a.
2 m

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STU and ZTU are isosceles triangles. ST = SU, ZT = ZU, ∠STZ = 17° and ∠TZU = 114°. Find ∠a.