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Use the diagram to find the angle measures
of the triangle. Recall that the sum of the
angle measures of a triangle is 180º.
9x
(x+4)
.
x =
(x+4)° = °
9x =

Use the diagram to find the angle measures of the triangle Recall that the sum of the angle measures of a triangle is 180º 9x x4 x x4 9x class=

Respuesta :

christabel9256

Answer:

x=16

(x+4)=20

9x=144

Step-by-step explanation:

9x+x+4+x=180

11x+4=180

11x=180-4

11x=176

[tex]x = \frac{176}{11} [/tex]

x=16

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