SOLUTION: in a triangle ABC, angle A = 110 degree and angle AB=AC.then angle ABC= .how to get this answer?
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Question 322584
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in a triangle ABC, angle A = 110 degree and angle AB=AC.then angle ABC= .how to get this answer?
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toidayma(44)
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The total sum of all three angles in any triangle is 180 degrees.
Since A = 110 degrees, so B + C = 180 - 110 = 70 degrees.
Since AB = AC, we have B = C.
Therefore, B = C = 70/2 = 35 degrees.