3 years ago

Please help me on this problem !

Mathematics

1 answer:

frosja888 [35]3 years ago

3 0

Answer:

Step-by-step explanation:

it's an isosceles right ∆.

so (9√2)^2 = 81*2= 162 = 2s^2

let x=y=s

s^2 = 81

s = 9

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