find the value of x and give full explanation of both figures
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find the value of x and give full explanation of both figures
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Answer:
c) Sum of all interior angles of a quadrilateral= 360°
thus,110+100+80+DAB=360°
290+DAB=360
DAB=360-290=70°
we can see 70+x=180 (linear pair)
x=180-70
x=110°
hope it helps