Respuesta :

hnori22003

[tex] {x}^{2} = 9 \times 4[/tex]

[tex] {x}^{2} = 36[/tex]

[tex]x = \sqrt{36} [/tex]

[tex]x = 6[/tex]

Answer:

x = 6

Step-by-step explanation:

Applying Geometric Mean Theorem :

  • AD = √CD × DB
  • x = √9 × 4
  • x = √36
  • x = 6

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