Question

What is the measure of angle A in the triangle below?

(pic about to be uploaded)

71.1°
18.9°
29.2°
90°

Answer 1

\[\sin^{-1}(\frac{12}{37})\]

Answer 2

use the Law of Cosines

Answer 3

about 18.9

Answer 4

\[\frac{180 \tan ^{-1}\left(\frac{12}{35}\right)}{\pi }=18.9{}^{\circ} \]