Question

Martina is building a wind chime. She has pieces of metal pipe 2, 3, 4, and 5 inches long that she is going to use to make a triangular top for the wi

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asked 2021-05-27
Martina is building a wind chime. She has pieces of metal pipe 2, 3, 4, and 5 inches long that she is going to use to make a triangular top for the wind chime. Which combinations of three lengths will not work to make the top?

Answers (1)

2021-05-28
To form a triangle, the sum of two side lengths must be greater than the length of the third side. Taking the two shortest lengths, 2 and 3 inches, their sum is 5 inches which is not greater than 5 inches.
Hence, the combination that will not work is: 2 inches, 3 inches, 5 inches
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