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Mathematics 8 Online
OpenStudy (anonymous):

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

OpenStudy (phi):

does pythagoras work for the 3 numbers ?

OpenStudy (phi):

in other words, test if a^2 + b^2 = c^2 is true where a and b are the shorter sides, and c is the longer side.

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