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Gre4nikov [31]
2 years ago
15

Please help with number 8. And if you can explain how you got the answer please do and I’ll give brainliest

Mathematics
1 answer:
ddd [48]2 years ago
6 0

Answer:

X=7.9

Y=7.9

Step-by-step explanation:

We have that x=y

And form Pythagoras theorem we have

5 \sqrt{5} =  \sqrt{x ^{2} + x ^{2}  }   \\ take \: the \: square  \: of \: the \: two \: sides \\ 125 = 2x ^{2}  \\ x {}^{2}  = 62.5 \\ x = 7.9

So x = y = 7.9

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