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I want to know how ro solve question no 8
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I want to know how ro solve question no 8

I want to know how ro solve question no 8-example-1
User Felisa
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1 Answer

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Hello,

Your triangle XYZ is isosceles and right:

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

User Freda
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