highschoolgirls4 highschoolgirls4

12-12-2014
Mathematics

Answered

Someone help please ASAP.

In∆ABC, m
a) How are the measures of m
b) Solve for x:

Answer :

konrad509 konrad509

12-12-2014

[tex]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\\\\ [/tex]

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Easy I just don't understand math help?