Solve it and write complete solution of this question.
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Answer:
130°
Step-by-step explanation:
Since it is a quadrilateral , the sum of all interior angles will be equal to 360°.
55° + 45° +30° + D = 360°
D = 360° - 130°
D = 230°
x = reflex angle D = 360° -230° = 130°
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