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anonymous
 5 years ago
Use the distance formula to decide whether PQ=QR
P(4,3)
Q(2,1)
R(0,1)
anonymous
 5 years ago
Use the distance formula to decide whether PQ=QR P(4,3) Q(2,1) R(0,1)

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0\[\sqrt{(y _2y _1)^2+(x _2x _1)}\]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0D\[d^2 = \sqrt{(x _{p}  x _{q})^2 + (y _{p}y _{q})^2} for PQ = d^2 =\sqrt{2^2 +2^2 } \ \[= \sqrt{8}\] so, now do the same thing for the segment RQ and compare...
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