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Mathematics 7 Online
OpenStudy (anonymous):

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OpenStudy (anonymous):

Is a triangle with sides of length 6 ft., 21 ft., 23 ft. a right triangle? Explain

OpenStudy (anonymous):

Use the Pythagorean identity \[c ^{2}=a ^{2}+b ^{2}\]. If it was a right triangle, then c would be the longest side. So see if \[23^{2} =21^{2}+6^{2}\]

OpenStudy (anonymous):

@e.mccormick

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