Question: Lines a and b are cut by a transversal, forming angles. If angle 1 is 3x+15 and angle 2 is 6x-30 and they are corresponding angles, what is the value of x, and are lines a and b parallel?
A) x=15 , lines are not parallel
B) x=15, lines are parallel
C) x=10, lines are parallel
D) x=20, lines are not parallel
Correct answer: B
Grade: 8 | Topic: Geometry | Difficulty: Hard | Standard: 8.G.A.5