Answer:
22.5°
Step-by-step explanation:
The triangle is an equal 1/8 slice of the octagon. If another triangle were placed right next to it, it would have the same angle. so to find out the angle, we just have to divide it by 2.
45 ÷ 2 = 22.5
option 2
I hope that's the answer cause I'm pretty sure it is
2
