SOLUTION: QUESTION: Vertex angle A of isosceles triangle ABC measures 20 degrees more than three times measure angle B. Find measure angle C. <br> Approach: <br> (3x+20)+x+x=180 <br

Algebra ->  Triangles -> SOLUTION: QUESTION: Vertex angle A of isosceles triangle ABC measures 20 degrees more than three times measure angle B. Find measure angle C. <br> Approach: <br> (3x+20)+x+x=180 <br      Log On


   



Question 165226This question is from textbook Lets Review Math A
: QUESTION: Vertex angle A of isosceles triangle ABC measures 20 degrees more than three times measure angle B. Find measure angle C.


Approach:


(3x+20)+x+x=180


5x=180


x=32
BOOKS ANSWER IS 34. WHY???
This question is from textbook Lets Review Math A

Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
32 is correct.