Respuesta :

thomasgnathan

Answer:

D: 27

Explanation:

The angle represented by x + 72 and 3x can be combined to form 180.

So you have to plug in the options for x and add the results of both angles.

If X = 27

27 + 72 = 99 and 3 * 27 =  81

99 + 81 = 180

Thus, 27 is your answer.

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