Respuesta :

  • Answer:

x = 4

  • Step-by-step explanation:

Hi there !

use Thales theorem

x/(x + 8) = 4/12

12x = 4x + 32

12x - 4x = 32

8x = 32

x = 32 : 4

x = 4

4/(8 + 4) = 4/12

4/12 = 4/12 (true)

Good luck !

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