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Answered by
1
Answer:
angle sum property of a quadrilateral is 360
50+120+110+x=360
x+280=360
x= 360 - 280
x= 80
Answered by
0
*nswer:
Hello, the answer 80*
Explanation:
120*+110*+50*+x=360*
230*+x=360*
x=360*-230*
x=80*
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