Question
Asked Nov 3, 2019
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Find the side labeled x. (Round your answer to one decimal place.)
X =
9
х
48
12
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Find the side labeled x. (Round your answer to one decimal place.) X = 9 х 48 12

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Expert Answer

Step 1

Consider x as c.

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Substitute C 48°, a = 9,b = 12 in c2 = a2 +b2-2ab cos C a2b2-2ab cos C c2 = (9)(12)-2(9) (12) cos 48 =81+144-216 cos 48° =225-(-138.27)

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