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OpenStudy (anonymous):
ABC Is a 30 60 90 triangle if AB =36 find length BC
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OpenStudy (anonymous):
which angle is 30,60,90...
OpenStudy (anonymous):
18
OpenStudy (anonymous):
please write as <A=30.<B=60...or so on...
OpenStudy (anonymous):
yep its lke that
OpenStudy (anonymous):
oh...
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OpenStudy (anonymous):
then cos 60=BC/AB 1/2=BC/AB BC=36*1/2=18
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