SOLUTION: two parallel lines are intersected by a transversal forming alternate interior angles: 6x - 12 and 3x + 21, What are their measures? Be sure to solve the problem and not just your

Algebra ->  Angles -> SOLUTION: two parallel lines are intersected by a transversal forming alternate interior angles: 6x - 12 and 3x + 21, What are their measures? Be sure to solve the problem and not just your       Log On


   

Question 813599: two parallel lines are intersected by a transversal forming alternate interior angles: 6x - 12 and 3x + 21, What are their measures? Be sure to solve the problem and not just your equation.
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
they add up to 180
6x-12+3x+21=180
9x+9=180
x=19
3x+21=3*19+21=78
6x-12=102