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Determine AD

 

 Jun 20, 2020
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1)  Use the Law of Cosines on triangle(ABC) to find the size of angle(A).

 

2)  Using this answer, find the size of angle(ABD).

 

3)  Now, use the Law of Cosines on triangle(ABD) to find the size of AD.

 Jun 20, 2020

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