please tell this this is an urjent
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Answer:
ans is 110 degree
Step-by-step explanation:
We have
<AOD=(x+10)°
<DOC=x°
<COB=(x+20)°
Now, by angle sum property of a triangle:
<AOD+<DOC+<COB=180°
(x+10)°+x°+(x+20)°=180°
3x + 30°=180°
x=50°
Now, <AOC=<AOD+<DOC
=(x+10)°+x°
=(50+10+50)°
=110°
where,< is the angle...
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