What is m∠CDJ? Im not sure what it is
What is m∠CDJ? Im not sure what it is
The 'x' and 'y' axes are perpendicular.
So angle ADJ is 90 degrees.
So (4x) + (3x-8) = 90 degrees.
Solve that and you'll know what 'x' is.
Then angle CDJ is just (3x-8).
I'm sure you can handle it from here.