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Mathematics 19 Online
OpenStudy (anonymous):

Which of the following sets of lengths can NOT represent side-lengths of a triangle? Answer 12, 18, 28 12, 28, 50 28, 50, 65 65, 75, 95

OpenStudy (amistre64):

add the shorter lengths togheter; and if they are not bigger than the largest length, you can make a triangle

OpenStudy (amistre64):

12 28 --- 40 ...

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