so uh, I took a test and I got this question wrong. I cant tell what the right answer is, and I want to learn how to do it, but I dont know. I was hoping that maybe you could help, thanks!

note: the first drop down options are
angle b: 59, 63, 90
angle F: 59, 63, 90​

so uh I took a test and I got this question wrong I cant tell what the right answer is and I want to learn how to do it but I dont know I was hoping that maybe class=