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Mathematics 7 Online
OpenStudy (anonymous):

TRUE OR FALSE The lengths 15 cm, 7 cm, and 6 cm could be the sides of a triangle.

OpenStudy (anonymous):

Triangle inequality. 6 + 7 < 15, so no. |dw:1333238890497:dw| Two sides of a triangle must always sum up to a number GREATER than the third. If it doesn't, then the sides aren't long enough to connect.

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