nabeel4 nabeel4
  • 16-08-2016
  • Mathematics
contestada

i want to know how ro solve question no 8

i want to know how ro solve question no 8 class=

Respuesta :

caylus
caylus caylus
  • 16-08-2016
Hello,

Your triangle XYZ is isosceles and right:

XY²=2*(9*√2)²=4*81=(2*9)²=18²
So |XY|=18

Answer Link

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