donmoniqueard14 donmoniqueard14
  • 09-05-2021
  • Mathematics
contestada

solve for x round to the nearest tenth. hurry!!!

solve for x round to the nearest tenth hurry class=

Respuesta :

Trancescient
Trancescient Trancescient
  • 09-05-2021

Answer:

Law of cosines:

[tex] {x}^{2} = {a}^{2} + {b}^{2} - 2ab \cos( \gamma ) \\ = {12}^{2} + {15}^{2} - 2(12)(15) \cos(144) \\ = 144 + 225 - 360( - 0.809) \\ = 660.246 \\ x = 25.7[/tex]

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