bbellag17
bbellag17 bbellag17
  • 22-06-2020
  • Mathematics
contestada

help on this one please??

help on this one please class=

Respuesta :

ronhagrid310
ronhagrid310 ronhagrid310
  • 22-06-2020

Answer:

C = ~50 deg

Step-by-step explanation:

Apply the cosine theorem:

cos(C) = (CA^2 + CB^2 - AB^2)/(2*CA*CB)

           = (7.5^2 + 6.5^2 - 6^2)/(2*7.5*6.5)

           = 0.6410

=> C = ~50 deg

Hope this helps!

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