Respuesta :

mathstudent55

Answer:

x = 46

Step-by-step explanation:

Use the triangle angle bisector theorem.

58/63.8 = (x + 4)/55

63.8(x + 4) = 55 * 58

63.8x + 255.2 = 3190

63.8x = 2934.8

x = 46

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