Respuesta :

Answer:

24

Step-by-step explanation:

5:5+5x1.4 as 10:10+10x1.4 or 24

wegnerkolmp2741o

Answer:

14

Step-by-step explanation:

Since they are similar triangles, we can use proportions

5              10

------ = -------------

5+7       10+?

5              10

------ = -------------

12          10+?

Using cross products

5( 10+?) = 12*10

Divide each side by 5

10+? = 12*10/5

10+? = 24

Subtract 10 from each side

10+?-10 = 24-10

? = 14

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