Xxexx
Xxexx Xxexx
  • 08-03-2018
  • Mathematics
contestada

??please help if you can

please help if you can class=

Respuesta :

Аноним Аноним
  • 08-03-2018
using similar triangles 
y / 9 = 25 / y
y^2 = 225

y = 15  
answer is 15 
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