Respuesta :

Answer:

x = 12

Step-by-step explanation:

Apply Thales' theorem

[tex]\frac{ED}{CB} =\frac{AD}{AB}[/tex]

[tex]ED=x[/tex]

[tex]\frac{x}{6} =\frac{20}{10}[/tex]

[tex]x=\frac{(20)(6)}{10} =12[/tex]

Hope this helps

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