Find the measure of angle A. Round your answer to the nearest whole number

Question

asked Dec 10, 2022 227k views

1 Answer

Dinesh Kaushik · Answer 1 · 2022-12-16T12:37:44+0000

Answer:

∠ A ≈ 53°

Explanation:

Using the tangent ratio in the right triangle

tan A =
(opposite)/(adjacent) =
(BC)/(AC) =
(12)/(9) , then

∠ A =
tan^(-1) (
(12)/(9) ) ≈ 53° ( to the nearest whole number )