a quadrilateral has three angles measuring 70 degree 50 degree and 125 degree what is the measure of the fourth angle
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Answer:
115°
sum of all angle of quadrilateral = 360°
A + B + C + D =360°
50° + 70° + 125° + D = 360°
245° + D = 360°
D = 360° - 245°
D = 115°
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