Answer:
x = c. 12
Step-by-step explanation:
As it is said that the triangles are similar so
[tex] \frac{x}{9} = \frac{6 + 2}{6} [/tex]
[tex] \frac{x}{9} = \frac{8}{6} [/tex]
Now cross multiply
6x = 72
x = 72 / 6
Therefore x = 12
Hope it will help :)
