Respuesta :

Answer:

∠X = 86 - x

Step-by-step explanation:

x - 6 + x - 8 + 2x + 6 = 180

x = 47

then,

∠S = x - 8 = 47 - 8 = 39

∠X = 86 - x = 86 - 47 = 39

thus, ∠S ≅ ∠X

triangles are congruent by ASA

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