Respuesta :

90-62=28
ABF: 28 degrees
ABF and CBD are vertical angles.
CBD: 28 degrees
180-28=152
ABC: 152 degrees
Hello, 
The equation to solve this problem is 28+289+62+90(angleDBE)+a=360. All you have to do is add all the known numbers up, which is 469, and subtract by 360. Therefore, the answer is 109 for angle ABC. Hope this helps!

~Brainliest