lrc1416 lrc1416
  • 03-10-2020
  • Mathematics
contestada

Please Help!! Brainliest Answer !! Thank you

Please Help Brainliest Answer Thank you class=

Respuesta :

rehemapizza
rehemapizza rehemapizza
  • 03-10-2020

Answer:

The answer is D 2.4

Just work it out

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yeowzhipeng
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

Hope my answer can help you

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