Respuesta :

Step-by-step explanation:

step 1. These are 2 congruent right triangles.

step 2. They are congruent by the HL theorem.

step 3. so 5x - 8 = 9x - 28

step 4. 4x = 20

step 5. x = 5.

step 6. <ywx = 2(5(5) - 8) = 34°.