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Which of the following combinations cannot be the side lengths of a triangle?

4.8 inches, 5 inches, and 1.2 inches
6.7 inches, 1.1 inches, and 7.9 inches
2.5 inches, 2.5 inches, and 2.5 inches
2.3 inches, 3.4 inches, and 3.2 inches

User Bmitc
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2 Answers

3 votes

Answer:

B. 6.7 inches, 1.1 inches, and 7.9 inches

Explanation:

User Nick Dowell
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4 votes
The sum of the two short legs must be at least as long as the longest leg.

This requirement for a triangle is NOT met by the 2nd selection. Those lengths cannot be a triangle.
User Myabc
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