Question

x, y and z (whichever is required).

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Answer 1

$y + 114° = 180°(linear \: pair) \\ y = 180° - 114° = 66° \\ 114° = x + x \: \: (exterior \: angle \: property) \\ 114° = 2x \\ x = 57° \\ \\ x = 57° \: and \: y = 66°$

hope this helps