Lauren H. answered 08/29/18
Tutor
4.8
(24)
Experienced High School Chemistry Teacher
2x + 3x + 5x = 180
10x = 180
x = 18
2x = 36, 3x = 54, 5x = 90
They add up to 180 (definition of sum of angles of a triangle.)
Kelly C.
08/29/18