# Answer to Question #25843 in Geometry for Rebecca

Question #25843

7^2+x^2=11^2

Expert's answer

7^2+x^2=11^2

whence x^2=11^2-7^2=(11-7)(11+7)=4*18=72

so the answer is x=+-sqrt(72)=+-6sqrt(2)

whence x^2=11^2-7^2=(11-7)(11+7)=4*18=72

so the answer is x=+-sqrt(72)=+-6sqrt(2)

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