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Mathematics, 16.01.2021 01:50 tdahna0403

Mr. Gardener has a bin of leftover landscaping timbers. He wants to use them to from several triangular shaped garden plots. He chooses combinations of three timbers but is surprised to find that they cannot always be used to form triangles. Which of the following combinations can he use? 7 ft, 9 ft, 11 ft

15 ft, 9 ft, 4 ft

3 ft, 7 ft, 12 ft

6 ft, 12 ft, 6 ft

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