rafamagri
rafamagri rafamagri
  • 22-10-2019
  • Mathematics
contestada

does anyone know how to solve this?

does anyone know how to solve this class=

Respuesta :

harpazo
harpazo harpazo
  • 23-10-2019

Use this version of the Law of Cosines to find side b:

b^2 = a^2 + c^2 − 2ac cos(B)

We want side b.

b^2 = (41)^2 + (20)^2 - 2(41)(20)cos(36°)

After finding b, you can use the Law of Sines to find angles A and C or use other forms of the Law of Cosines to find angles A and C.

Try it....

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