in triangle ABC ,Angle A + angle B is 110degree and angle c +angle A is 135degree find what's angle A
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Given : /_ A + /_B = 110
/_C + /_A = 135
/_A + /_B + /_C = 180 ( Angle Sum Property of Triangle )
110 + /_C = 180
/_C = 70
Now ,
/_C + /_A = 135 ( given )
70 + /_A = 135
/_A = 65
Therefore , angle A = 65
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