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22-09-2021
Mathematics

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a quadrilateral has angles measuring 105 degrees, 80 degrees, and 45 degrees what is the measure of the 4th angle

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Аноним Аноним

22-09-2021

Answer: 130 degrees

Step-by-step explanation:

105+80+45+x=360

230+x=360

-230 both sides

X=130 degrees

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