Work Step by Step
Let $s =$ sum of the angles of the triangle $s = 3x + 5x + 2x$ $s = 8x + 2x$ $s = 10x$
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.