Respuesta :

frenchluv38

Answer:

DC=12 units.

I could give you a long explanation but its 2AM here and I dont want to type out my work, so added in a picture up above. Click it to get the full view. Dc is equal to 12 units

Ver imagen frenchluv38

Answer:

[tex]DC=12[/tex]

Step-by-step explanation:

[tex]AD = y + 6[/tex]

[tex]DC = 2y[/tex]

According to the figure:

[tex]AD=DC[/tex]

      [tex]y+6=2y[/tex]

     [tex]2y-y=6\\\\y=6[/tex]

Putting 'y' in AD and DC

             [tex]AD=y+6=6+6=36\\\\AD=36[/tex]

             [tex]DC=2y=2(6)=12\\DC=12[/tex]

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