Respuesta :

chavitasss
....................C 36*

Answer:

x = 36º

Step-by-step explanation:

The sum of the angles in a triangle is 180º

x + 2x + 72 = 180

Combine like terms

3x + 72 = 180

Subtract 72 from both sides

3x = 108

Divide both sides by 3

x = 36º