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Find the value of a.
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4 votes
Find the value of a.

Find the value of a.-example-1
User Xedret
by
7.3k points

1 Answer

4 votes

Answer:

13

Explanation:

Law of Cosine - a^2 = 9^2 + 17^2 -2(17)(9)(cos 49)

(put your calculator in DEGREE MODE)

User Evanbikes
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