Answer:
A. 3
Step-by-step explanation:
since the missing angle adds up to 90° when added to 66°, first you would subtract 66 from 90
[tex]90-66=24[/tex]
set that number equal to [tex]8x[/tex] and solve for [tex]x[/tex]
[tex]8x=24[/tex]
[tex]x=3[/tex]
