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Please help :( Find X. Round to the nearest tenth.
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18 votes
Please help :( Find X.
Round to the nearest tenth.

Please help :( Find X. Round to the nearest tenth.-example-1
User Ryan Stille
by
4.4k points

1 Answer

9 votes
90^2 = 55^2 + 50^2 - 2(55)(50)cosX
(90^2 - 55^2 - 50^2)/(2(55)(50)) = cosX
X = 62.1°
User Tarun Gaba
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4.0k points
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