Respuesta :

ProGamerMode

Answer:

B 15

Step-by-step explanation:

Since the triangle has two same side lengths you can calculate that the other two are 54°.

30579895

Answer:

D. 33

Step-by-step explanation:

(3x+9)=72=180

3x + 81     = 180

subtract 81 from both sides

3x =180

divide 3 from both sides to get the x alone

x=33

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