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February 28, 2015

February 28, 2015

Posted by **jessie** on Friday, February 15, 2013 at 10:57pm.

please help either I am thinking to hard or Im stupid lol :)

- geometry -
**Reiny**, Friday, February 15, 2013 at 11:15pmI will assume in your triangle , angle A = angle B

so 21y+13 + 6y+1 + 6y+1 = 180

33y = 165

y = 5

then angle A = 31° , angle B = 31° and angle C = 118°

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