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Pre calculus law of sines
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Pre calculus law of sines

Pre calculus law of sines-example-1
User Arg Geo
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1 Answer

7 votes

Answer:

AB = 6.5

Explanation:

C = 59°

AC = 7

CD = 6

AB = ?

Apply the Law of Cosines, which is AB² = AC² + CD² - 2(AC)(CD)*Cos(C)

AB² = 7² + 6² - 2(7)(6)*Cos(59)

AB² = 85 - 43.26

AB² = 41.74

AB = √41.74

AB = 6.5 (nearest tenth)

User A Srinivas
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