timmy2338 timmy2338

30-07-2020
Mathematics

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Please answer this question

Please answer this question class=

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valerieulbrich valerieulbrich

31-07-2020

Answer:

17.3

Step-by-step explanation:

a² = b² + c² - 2bc cos A

t² = 11² + 14² - 2(11)(14) cos 87

t² = 121 + 196 - 308 (.052336)

t² = 300.88

t = 17.3

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