joudygado
joudygado joudygado
  • 14-05-2022
  • Mathematics
contestada

in need of some help <3

If ∆ABC~∆XYZ, area (∆ABC) : the area (∆XYZ) = 4:9, then AB:XY is...
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Respuesta :

Аноним Аноним
  • 14-05-2022

Answer:

AB : XY = 2 : 3

Step-by-step explanation:

We know that :

  • area ∝ length²

So, if the areas ΔABC and ΔXYZ are in the ratio 4 : 9, then :

  • ΔABC : ΔXYZ ∝ AB² : XY²
  • 4 : 9 ∝ √4 : √9
  • 4 : 9 ∝ 2 : 3
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