SOLUTION: Q. In a triangle ABC, angle B= 55° and angle C=65°. Is the triangle ABC isosceles? Please solve in detail thank you.

Algebra ->  Triangles -> SOLUTION: Q. In a triangle ABC, angle B= 55° and angle C=65°. Is the triangle ABC isosceles? Please solve in detail thank you.      Log On


   

Question 1096652: Q. In a triangle ABC, angle B= 55° and angle C=65°. Is the triangle ABC isosceles?
Please solve in detail thank you.
Answer by josgarithmetic(39628) About Me  (Show Source):
You can put this solution on YOUR website!
Isosceles or not? Find the angle measure of the last angle, at point A.

180-55-65
60%2Adegrees-----at point A.

.... what does this tell you?