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OpenStudy (anonymous):
please help me with this question please help me with this question @Mathematics
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OpenStudy (anonymous):
OpenStudy (anonymous):
I'm thinking that you use sin21.8 = BA/BC to find BC, then you can just use tan to find the angle.
OpenStudy (anonymous):
OMG ur great
OpenStudy (anonymous):
I hope that's right. Since it's a triangular prism, the triangle on top should be right angled too.
OpenStudy (anonymous):
Maybe someone else should check this question just to be sure.
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OpenStudy (asnaseer):
I have answered this for you in your previous posting of the same question :-)
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