SOLUTION: Explain how you know a triangle can have side lengths measuring 11, 15 and 21.

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Question 566955: Explain how you know a triangle can have side lengths measuring 11,
15 and 21.
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Three positive numbers will uniquely determine a triangle (provided that they satisfy the triangle inequality, which they do in this case).