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

1 answer:

4 0

$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\\\\
$

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