will mark as brainliest
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50
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mark brainliest c:
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Since, b and d are opposite angles, therefore, they are equal.
Along the line AB, d+110=180
Therefore, d=70=b
Now, c+d+30=180 (sum of the angles of a triangle=180).
=>c+70+30=180
=>c=80
Now, a+b+60=180 (sum of the angles of a triangle=180)
=>a+70+60=180
=>a=50
Therefore a=50,b=70,c=80,d=70
Along the line AB, d+110=180
Therefore, d=70=b
Now, c+d+30=180 (sum of the angles of a triangle=180).
=>c+70+30=180
=>c=80
Now, a+b+60=180 (sum of the angles of a triangle=180)
=>a+70+60=180
=>a=50
Therefore a=50,b=70,c=80,d=70
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