Use the distance formula to order AB, CD, and EF from shortest to longest.
AB2 = 52 + 22 = 29 —>> AB = sqrt(29)
CD2 = 42 + 12 = 17 —>> CD = sqrt(5)
EF2 = 52 + 12 = 26 —>> EF = sqrt(26)
CD, EF, AB
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