Respuesta :

Answer:

13

Step-by-step explanation:

you are given point A with co-ordinate(0;12) and B (5;0)

length=[tex]\sqrt{(yb-ya)^{2} +(xb-xa)^{2} }[/tex]

=[tex]\sqrt{(0-12)^{2}+(5-0)^{2} }[/tex]

=[tex]\sqrt{(-12)^{2}+(5)^{2} }[/tex]

=[tex]\sqrt{144+25}[/tex]

=[tex]\sqrt{169}[/tex]

=13

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