Respuesta :

Answer:

1.8

Step-by-step explanation:

Since 5 and 1 are corresponding, the scale factor of the smaller triangle is 1/5. since we need to know x and the corresponding side to x is 9, 9 divided by 5 is 1.8. Hope this helps <3

Your answer will definitely 1.8

x=1.8

Hoped I helped!

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