Respuesta :

A(1,1)    B(7,-7)
d= \sqrt{ (7 - 1) ^{2}+ (-7  -1) ^{2} } 
d= \sqrt{ (6) ^{2}+ (-8) ^{2} } 
d= \sqrt{ 36 + 64 } 
d= \sqrt{ 100 } 
d=10

Answer:

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Step-by-step explanation: