lrc1416 lrc1416

03-10-2020
Mathematics

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Please Help!! Brainliest Answer !! Thank you

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Respuesta :

rehemapizza rehemapizza

03-10-2020

Answer:

The answer is D 2.4

Just work it out

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yeowzhipeng yeowzhipeng

03-10-2020

Answer:

D)2.4

Step-by-step explanation:

Using cosine rule

a²=b²+c²-2bc cos A

a²=1.2²+1.4²-2(1.2)(1.4)cos 134°

a=2.4

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