SOLUTION: ΔABC is an isosceles triangle in which angles B and C are congruent. If m∠B = (4x + 10)° and m∠C = (x - 31)°, find the measure of angle A.

Algebra ->  Triangles -> SOLUTION: ΔABC is an isosceles triangle in which angles B and C are congruent. If m∠B = (4x + 10)° and m∠C = (x - 31)°, find the measure of angle A.      Log On


   

Question 1100120: ΔABC is an isosceles triangle in which angles B and C are congruent. If m∠B = (4x + 10)° and m∠C = (x - 31)°, find the measure of angle A.
Answer by josgarithmetic(39625) About Me  (Show Source):
You can put this solution on YOUR website!
Congruent means that they have equal measures.

4x%2B10=x-31;
Solve for x.