Respuesta :

Answer:

54°

Step-by-step explanation:

we know that corresponding angles = 180°

step 1) add 5x+9 and 13x+9

answer = 18x+18=180

step 2) solve for x

answer = x=9

step 3) plug the x into the angle congruent to 6 which will be 5x+9

final answer is 54°