Work Step by Step
The sum of the angles of a triangle is 180 degrees. We can write an equation to match that. $x+65+55=180$ Subtracting 110 from both sides, $x=70$
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.