Respuesta :

Answer:

The answer to your question is 63.4°

Step-by-step explanation:

Data

m∠B = ?

Opposite side = 10

Adjacent side = 5

To solve this problem use trigonometric functions. The trigonometric function that relates the Opposite side  and the adjacent side is tangent.

           tan B = Opposite side / Adjacent side

-Substitution

           tan B = 10/5

-Simplification

            tan B = 2

-Result tan⁻¹B = B = 63.43

Rounded to the nearest tenth = 63.4°

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