natalyhuerta04 natalyhuerta04
  • 21-07-2020
  • Mathematics
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HELP PLEASE!! URGENT!!

HELP PLEASE URGENT class=
Relax

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Аноним Аноним
  • 27-07-2020

Answer:

Step-by-step explanation:

You can answer this using the law of cosines:

[tex]c^2=a^2+b^2-2ab \cos{c}[/tex]

c^2 is equal to 4^2 + 7^2 - 2(4)(7)(cos 102º)

= 16 + 49 - 56(cos 102º)

c^2 ~ 76.64 --> c ~ 8.8

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