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OpenStudy (emma-.-):
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OpenStudy (smartperson):
i do not know the answer but all of the sides total should equal 180 degrees for you to have the right answer
OpenStudy (mathstudent55):
I assume you are learning trigonometry of right triangles. Is that correct?
OpenStudy (emma-.-):
yes
OpenStudy (mathstudent55):
Do you need help, or did you figure it out?
OpenStudy (emma-.-):
Cos (40 deg) = AC / AB AC = AB * Cos (40 deg) AC = 3 * 0.766 AC = 2.30 cm is this correct?
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563blackghost (563blackghost):
I would say yes you are correct.
OpenStudy (mathstudent55):
Correct. Good work!
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