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Point C is the midpoint of AB for A(1,-2) and B(7,2). What is the length of AC? Round to the nearest tenth.

Respuesta :

crisforp
AC = AB / 2;
AB = [tex] \sqrt{ (7-1)^{2} + (2+2)^{2} } = \sqrt{36+16} = \sqrt{52} = 2 \sqrt{13} ;[/tex]
finally, AC = [tex] \sqrt{13} .[/tex]

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