raul12040
raul12040 raul12040
  • 03-05-2020
  • Mathematics
contestada

Please solve this question if you do you'll recieve the good 10 points

Please solve this question if you do youll recieve the good 10 points class=

Respuesta :

mhanifa
mhanifa mhanifa
  • 14-10-2020

Answer:

  • 3

Step-by-step explanation:

Ratio of corresponding sides of similar triangles are:

  • AD/AB = DE/BC

Substitute values

  • (9+3)/3 = 12/x
  • 4 = 12/x
  • x = 12/4
  • x = 3
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