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OpenStudy (anonymous):
Question in comments, I give out medals!
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OpenStudy (anonymous):
OpenStudy (anonymous):
@NateR
OpenStudy (superdavesuper):
The sum of 3 internal angles = 180...u can calculate the answer using that...
OpenStudy (anonymous):
c. 63 180-78-39=63
OpenStudy (anonymous):
@superdavesuper and @kas9987 Thanks so much!!
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OpenStudy (anonymous):
@Nerdygeek1200 no problem
OpenStudy (anonymous):
C.
OpenStudy (anonymous):
@NateR Thank you!
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