Respuesta :

mhanifa

Answer:

Use the ratio of corresponding sides of similar triangles.

#1

  • 50 / x = x / 25
  • x² = 50*25
  • x = 25√2

#2

  • 63 / x = x / (112 - 63)
  • x² = 63*49
  • x = 21√7

#3

  • 100 / x = x / 8
  • x² = 100*8
  • x = 20√2

#4

  • x / 18 = 18 / 16
  • x = 18*9/8
  • x = 81/4

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