Find the side length, a.
Round to the nearest tenth.
A=29°
b=4
c=10
a=[?]
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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