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Lime
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An airplane at T(80,20) needs to fly to both U(20,60) and V(110,85). What is the shortest possible distance for the trip?
 2 years ago
 2 years ago
Lime Group Title
An airplane at T(80,20) needs to fly to both U(20,60) and V(110,85). What is the shortest possible distance for the trip?
 2 years ago
 2 years ago

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mathmate Group TitleBest ResponseYou've already chosen the best response.1
Compare the distances TUV and TVU and take the shorter of the two.
 2 years ago

Lime Group TitleBest ResponseYou've already chosen the best response.0
\[\sqrt((20  60)^2 + (80  20)^2)\] \[\sqrt((40)^2 + 60^2)\] \[\sqrt(1600 + 3600)\] \[\sqrt(5200)\]
 2 years ago

Lime Group TitleBest ResponseYou've already chosen the best response.0
And then \[\sqrt((20  85)^2 + (80  110)^2)\]?
 2 years ago

mathmate Group TitleBest ResponseYou've already chosen the best response.1
Since the route TUV and TVU both use UV, we know they are equal. So just compare which of TU or TV is shorter. one of them is sqrt(5200), and the other is sqrt(5125), so make your choice.
 2 years ago
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