Which of the following measurements of side lengths can be used to construct a triangle?

2 m, 16 m, 6 m

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4 m, 4 m, 13 m

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3 m, 9 m, 2 m

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12m, 13 m, 5 m

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Solution

The correct option is D
12m, 13 m, 5 m

To construct a triangle, sum of length of two sides should be greater than third side.
So, in option D, the sum of two sides is greater than third side.
Thus, 12 m + 13m > 5 m.

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