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

Question

asked Nov 4, 2021 87.6k views

1 Answer

Snukker · Answer 1 · 2021-11-08T15:17:07+0000

Answer:

Θ ≈ 22.6°

Explanation:

Using the cosine ratio in the right triangle

cosΘ =
(adjacent)/(hypotenuse) =
(AC)/(AB) =
(12)/(13) , thus

Θ =
cos^(-1) (
(12)/(13) ) ≈ 22.6° ( to the nearest tenth )