Respuesta :

Ooo, this is a quick one! :D

Due to the vertical angles theorem, which states that d and 39.2 are symmetrical, that means that d is the exact same measure, therefore d is 39.2° as well!

Answer:

39.2

Step-by-step explanation:

this is a vertical angle

a vertical angle is when each of the pairs of opposite angles made by two intersecting lines.

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