4 years ago

Multiple choice please answer please

Mathematics

1 answer:

joja [24]4 years ago

6 0

Answer:

Step-by-step explanation:

Using the cosine ratio in the right triangle

cosA = $\frac{adjacent}{hypotenuse}$ = $\frac{AC}{AB}$ = $\frac{2}{3}$ , thus

A = $cos^{-1}$ ( $\frac{2}{3}$ ) ≈ 48° → A

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