find the angle measure X in the following figure
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Answered by
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Answer:
just addddd ittt...? .......
Answered by
1
Step-by-step explanation:
sum of the angles in a quadrilateral is 360°
therefore 40° + 140° + 100°+x ° = 360°
280° + x° = 360°
x = 360 - 280
x = 120°
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