geometry
posted by Rick on .
I'm stuck on this question please help.
"Lines p and q intersect to form adjacent angles 1 and 2.If angle 1=3x+18 and angle 2=8y70,find the values of x and y so that p is perpendicular to q.

each angle is 90 degrees if the lines are perpendicular. So,
3x+18 = 90
x = 24
8y70 = 90
y = 20