Answer: I think the markup is 66.67%
Step-by-step explanation:
I believe it is the final choice because it correctly compares 2 sets of corresponding sides.
If its to number 9, it's ∈35.48
Hello!
The sum of all angle measures in a heptagon in 900°. We will subtract all of these angles from 900 to find our answer.
900-146-122-142-140-110-142=98
x=98°
I hope this helps!