Ladanian Ladanian
  • 29-01-2021
  • Mathematics
contestada

help me thank you ; ) !

help me thank you class=

Respuesta :

mhanifa
mhanifa mhanifa
  • 29-01-2021

Answer:

  • x = 6

Step-by-step explanation:

Similar figures have same ratio of corresponding sides:

  • ZY/EF = ZX/DF = XY/DE

Substitute:

  • 4 / 8 = 7.5 / 3(x - 1)
  • 3(x - 1) = 2*7.5
  • x - 1 = 5
  • x = 6
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