alooshbot161
alooshbot161 alooshbot161
  • 11-03-2021
  • Mathematics
contestada

Find the side length, a.
Round to the nearest tenth.

A=29°
b=4
c=10

a=[?]

Find the side length a Round to the nearest tenth A29 b4 c10 a class=

Respuesta :

akposevictor
akposevictor akposevictor
  • 16-03-2021

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

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