SOLUTION: ΔABC is an isosceles triangle in which angles B and C are congruent. If m∠B = (2x + 16)° and m∠C = (3x - 11)°, find the measure of angle A.
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Question 923336: ΔABC is an isosceles triangle in which angles B and C are congruent. If m∠B = (2x + 16)° and m∠C = (3x - 11)°, find the measure of angle A.
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
isosceles triangle in which angles B and C are congruent
2x + 16 = 3x-11
27 = x
m∠B = 70° and m∠C = 70°
m∠A = 180° - 140° = 40°
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