Measure of the largest angle....yes the vertices

[Jamie27]

I cant seem to get any of the answers to make 180 degrees?

(8x-11)
(3x-4)
2x

when I put this in it doesnt equal 180?

131
109
41
30

the answer 30 seemed to be the closest?

 

[stapel]

Please post replies and other follow-ups to the original thread. And it would be helpful if you showed your work.

Thank you.

Eliz.