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OpenStudy (anonymous):
9th grade geometry
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OpenStudy (anonymous):
OpenStudy (anonymous):
please help explain how to do this somebody!
OpenStudy (e.mccormick):
Math questions go in math section: http://openstudy.com/study#/groups/Mathematics As for 30-60-90 triangles, they have a set ratio between the sides. That is what they want you to use. http://www.regentsprep.org/regents/math/algtrig/ATT2/Ltri30.htm
OpenStudy (anonymous):
Oh woops! My bad! Didn't realize I was still in English..Thank you
OpenStudy (e.mccormick):
np. I hope the link helps. 30-60-90 and 45-90-45 are popular with geometry because they are so well documented.
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