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8_murik_8 [283]
3 years ago
8

I want to know how ro solve question no 8

Mathematics
1 answer:
lianna [129]3 years ago
4 0
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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