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help me is my third time posting this can anyone please help me 2 questions can at least answer 1 please

help me is my third time posting this can anyone please help me 2 questions can at least answer 1 please class=

Respuesta :

jmay433

Answer:

For 11, x=18

Step-by-step explanation:

Use a ratio to solve for x since the triangles are similar

16/20=(16+12)/(20+x-3), first simplify both sides

4/5=28/(17+x), cross multiply

4(17+x)=5*28

17+x=5*7

x=35-16

x=18

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