Use the inverse trigonometric keys on a calculator to find the measure of angle A

Answer:
49°
Step-by-step explanation:
49^2 - 32^2 = BC^2
2401 - 1024 = 1377
√1377 = 37.1079506
37.1 m
Sin(A) / 37.1 = Sin(90)/ 49
Sin (A) = 37.1 X Sin(90)/49
A = sin^-1(3.71 X sin90)/49
A = 49.21