Answer:
x = 94°
Explanation:
The total always equals 360° (except triangles).
So
73 + 112 + 81 + x = 360
266 + x = 360
x = 360 - 266
Sum of all angles of a quadrilateral = 360
y + 73 + 112 + 81 = 360
y + 266 = 360
y = 360 - 266
y = 94°
x and y are linear pair
x + y =180
x + 94 = 180
x = 180 - 94
x = 86°
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