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Use the Pythagorean theorem. a^2+b^2=c^2 16^2+31^2=x^2 Then take the square root. You cannot do this theorem without squaring all of the numbers and taking the square root.
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Use the Pythagorean theorem. a^2+b^2=c^2 16^2+31^2=x^2 Then take the square root. You cannot do this theorem without squaring all of the numbers and taking the square root.