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23 September, 03:55

If A = (4,-5) and B = (7,-9), what is the length of AB?

A. 5 units

b. 6 units

c. 7 units

d. 8 units

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Answers (1)
  1. 23 September, 04:16
    0
    A. 5 units

    Step-by-step explanation:

    AB=√ ((7-4) ² + (-9+5) ²) = √ (9+16) = 5 units
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