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I'm trying to figure out where I went wrong solving this problem.
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1 vote
I'm trying to figure out where I went wrong solving this problem.

I'm trying to figure out where I went wrong solving this problem.-example-1
User Lwxted
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1 Answer

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let x be the missing lenghth


x=\sqrt[]{4^2+8^2}=\sqrt[]{16+64}=\sqrt[]{80}=4\sqrt[]{5}\approx8.9

User Regomodo
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