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OpenStudy (anonymous):
Look at the figure shown below. What is the length of segment AB to the nearest tenth of a meter?
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OpenStudy (anonymous):
OpenStudy (mertsj):
Well first of all, we know that AD is 7, don't we?
OpenStudy (anonymous):
ab=ad+db
OpenStudy (anonymous):
Yes we do!
OpenStudy (mertsj):
And we can easily find angle B using the law of sines, right?
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OpenStudy (anonymous):
Yes! So I can make a proportion now.
OpenStudy (mertsj):
Yes. Do that and then find angle DCB
OpenStudy (anonymous):
So, DB is equal to 6.5.
OpenStudy (anonymous):
Wait...would the answer be 13.5?
OpenStudy (mertsj):
That's not what I got.
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OpenStudy (mertsj):
What did you get for angle B?
OpenStudy (anonymous):
Okay. I'm confused.
OpenStudy (anonymous):
I'm not sure. Are the triangle similar?
OpenStudy (mertsj):
|dw:1338390842202:dw|
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