in triangle ABC angle A+angleB=65degree and angle B+C=140 degree. find the angle
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A+B+C=180
65+c=180
c=115
B+c=140
B+115=140
B=25
A+B+C=180
115+25+A=180
140+A=180
A=40
65+c=180
c=115
B+c=140
B+115=140
B=25
A+B+C=180
115+25+A=180
140+A=180
A=40
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