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January 31, 2015

January 31, 2015

Posted by **Kelly** on Friday, September 7, 2012 at 4:15pm.

angle a is __degrees.

- math -
**Steve**, Friday, September 7, 2012 at 4:20pma+b+c = 180

b = a

c = a+78

so,

a + a + a+78 = 180

3a = 102

a = 34

so, b=34 and c=112

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