For Exercises 1−6, choose the correct letter.
For Exercises 1 and 2 , use the diagram at the right.
The figure at the right is a Ferris wheel in the shape of
a regular octagon with spokes extending from the center
to each vertex and an apothem drawn. What is m∠1?
A. 22.5 B. 45 C. 60 D. 67.5