SOLUTION: which set of numbers can not represent the lenths of a triangle 6,8,11 7,5,6 7,18,11 9,12,19

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Question 716274: which set of numbers can not represent the lenths of a triangle 6,8,11 7,5,6 7,18,11 9,12,19
Answer by solver91311(24713) About Me  (Show Source):
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A set of three numbers represents the measures of the sides of a triangle if and only if the sum of the two smallest numbers is strictly greater than the largest number. Only one of your sets of numbers can represent the measures of the sides of a triangle.

John

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