3 years ago

Find the measure of the angle O. (Remember, you are finding the actual angle measure, not the ratio.)

Mathematics

1 answer:

dusya [7]3 years ago

6 0

Answer:

Θ ≈ 22.6°

Step-by-step explanation:

Using the cosine ratio in the right triangle

cosΘ = $\frac{adjacent}{hypotenuse}$ = $\frac{AC}{AB}$ = $\frac{12}{13}$ , thus

Θ = $cos^{-1}$ ( $\frac{12}{13}$ ) ≈ 22.6° ( to the nearest tenth )

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