Respuesta :

akposevictor

Answer:

a = 6.8

Step-by-step explanation:

Apply the Law of Cosines

a² = b² + c² - 2bc*Cos A

A = 29°

b = 4

c = 10

Plug in the values

a² = 4² + 10² - 2*4*10*Cos 29

a² = 116 - 69.9696

a² = 46.0304

a = √46.0304

a ≈ 6.8