zahratahir2629
zahratahir2629 zahratahir2629
  • 07-04-2020
  • Mathematics
contestada

I Need to know the missing lengths help fast

I Need to know the missing lengths help fast class=

Respuesta :

jerrelltng
jerrelltng jerrelltng
  • 07-04-2020

Answer:

[tex]DE=15[/tex] and [tex]AB=6[/tex]

Step-by-step explanation:

Since they are similar, the length CE is a ratio of length AC, length CD is a ratio of length AB and length DE is a ratio of length BC.

[tex]\frac{CE}{AC} =\frac{CD}{AB} =\frac{DE}{BC}[/tex]

Substituting the values,

[tex]\frac{24}{8} =\frac{18}{AB} =\frac{DE}{5}[/tex]

[tex]8[/tex]×[tex]18[/tex][tex]=24AB[/tex]

[tex]AB=\frac{144}{24}[/tex]

[tex]AB=6[/tex]

[tex]8[/tex]×[tex]DE[/tex][tex]=24[/tex]×[tex]5[/tex]

[tex]DE=\frac{120}{8}[/tex]

[tex]DE=15[/tex]

       

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