Respuesta :

Answer:

x=9; angle measure is 27°.

Step-by-step explanation:

The Vertical Angles Theorem states that angles opposite each other (in an X) are equal. According to this theorem,

3x = 27

After some simple algebra:

x = 9 ^ Division Property of Equality

drkhan

Answer:

A. x=9;angle measure is 27°

is the right answer