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Find the value of z.

Find the value of z.-example-1

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y^2+8^2=z^2\\ y^2+1^2=3^2\\\\ y^2=z^2-64\\ y^2=9-1=8\\\\ z^2-64=8\\ z^2=72\\ z=√(72)=6\sqrt2
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User Vineet Goel
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