SOLUTION: Rachael has 20 thin rods whose lengths, in centime- tres, are 1, 2, 3....20. Any two rods can be con- nected at their ends. Rachael selects three rods to make a triangle, then thre
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Question 1177817: Rachael has 20 thin rods whose lengths, in centime- tres, are 1, 2, 3....20. Any two rods can be con- nected at their ends. Rachael selects three rods to make a triangle, then three other rods to make a second triangle, and so on. .. Answer by ikleyn(52891) (Show Source):
