nabeel4
nabeel4
16-08-2016
Mathematics
contestada
i want to know how ro solve question no 8
Respuesta :
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
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