Any Ideas how to do a quiz where the students have to label or tag certain parts of an image?

[klemons]

Specifically, I'm a math teacher and would like to do a quiz on Canvas where they have to "fill in" the unit circle.    I was thinking of putting up an image of a unit circle that has each blank I want them to fill in labeled A, B, C, etc. and then using a "Fill in Multiple Blanks" question where they have to type each point or angle into the appropriate blank.   

Can anyone suggest a better way to do this??