Asked by Jeff
i.imgur. com / CvoC1sB.jpg
I'm confused about how to submit a link, but attached is the problem because there is a diagram. I did part of it, but I'm stuck! I put in spaces.
I'm confused about how to submit a link, but attached is the problem because there is a diagram. I did part of it, but I'm stuck! I put in spaces.
Answers
Steve
Hmmm. Look at triangle CBD. You know all three sides now, so
14^2 = 13.3^2 + 12^2 - 2*13.3*12 cos CBD
Now you have ABC = ABD+DBC
Now use law of cosines again to get AC.
14^2 = 13.3^2 + 12^2 - 2*13.3*12 cos CBD
Now you have ABC = ABD+DBC
Now use law of cosines again to get AC.