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18-07-2019
Mathematics

contestada

If A = (7,9) and B = (3, 12), what is the length of AB?
A. 4 units

B. 5 units

c. 7 units

D. 6 units

Respuesta :

Banabanana Banabanana

18-07-2019

Answer:

B. 5 units

Step-by-step explanation:

[tex]\tt |AB|=\sqrt{(3-7)^2+(12-9)^2}=\sqrt{16+9}=\sqrt{25}=5 \ \ units[/tex]

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