Lorinda634 Lorinda634

22-07-2014
Mathematics

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A triangle has two sides of lengths 7 and 9. What value could the length of the third side be?

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konrad509 konrad509

22-07-2014

x - length of the 3rd side

[tex]7+9>x \wedge 7+x>9 \wedge 9+x>7\\ x<16 \wedge x>2 \wedge x>-2\\ x\in(2,16)[/tex]

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