Mathematics, 15.04.2021 04:10 armando87
Felicity has 20 thin rods whose lengths, in centimeters are 1, 2, 3 …., 20. Any two rods can be connected at their ends. Felicity selects three rods to make a triangle, then three other rods to make a second triangle and so on.
a. Only 1 of Felicity's rods cannot be the side of a triangle. Determine which one.
b. Felicity wants to use 18 rods to form a set of six triangles with equal perimeters. Either find such a set or explain why no such set exists.
Answers: 3
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