Question

Someone help please ASAP. In∆ABC, m a) How are the measures of m b) Solve for x:

Answer 1

$3x+9+8x+11+5x-8=180\\ 16x=168\\ x=10.5\\\\ m\angle BAC=3\cdot10.5+9=40.5\\ m\angle ABC=8\cdot10.5+11=95\\ m\angle BCA=5\cdot10.5-8=44.5$