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anonymous
 one year ago
What is the length of segment AB?
attachment below.
anonymous
 one year ago
What is the length of segment AB? attachment below.

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Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.2here we have to apply this formula: \[d = \sqrt {{{\left( {{x_2}  {x_1}} \right)}^2} + {{\left( {{y_2}  {y_1}} \right)}^2}} \] where (x1,y1)=(5,0) and (x2,y2)=(0,12)

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.2after a substitution, we can write: \[\begin{gathered} d = \sqrt {{{\left( {{x_2}  {x_1}} \right)}^2} + {{\left( {{y_2}  {y_1}} \right)}^2}} \hfill \\ \hfill \\ = \sqrt {{{\left( {0  5} \right)}^2} + {{\left( {12  0} \right)}^2}} = \sqrt {25 + 144} = \hfill \\ \hfill \\ = \sqrt {169} = ...? \hfill \\ \end{gathered} \]
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