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OpenStudy (anonymous):
ABC is a triangle AC=19cm BC=17cm and angle BAC=60 degrees what is the angle of ABC
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OpenStudy (therealmeeeee):
ok Use the law of sines first to find angle b. angle you want/ac = angle you know(a)/bc
OpenStudy (therealmeeeee):
u understand now
OpenStudy (anonymous):
a bit but can you explain more as i am confused
OpenStudy (therealmeeeee):
All you need is a / sin(A) = b / sin(B)
OpenStudy (therealmeeeee):
do u got it now
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OpenStudy (anonymous):
yes i think
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