Respuesta :

Answer:

The answer to your question is Ф = 62.7°

Step-by-step explanation:

Data

AB = 9

AC = 8

∠B = ?

This is a right triangle to solve it use trigonometric functions. The trigonometric function that relates the Opposite side and the hypotenuse is sine.

                sin Ф = Opposite side / hypotenuse

Opposite side = AC = 8

Hypotenuse = 9

-Substitution

                  sinФ = 8/9

                  sin⁻¹ Ф = Ф = 62.7°