19 A theme park has two zip wires.
Sarah models the two zip wires as straight lines using coordinates in metres.
The ends of the other wire are located at \(( 10,0,20 )\) and \(( - 10,100 , - 5 )\)
19
- Use Sarah's model to find the shortest distance between the zip wires.
Sarah models the two zip wires as straight lines using coordinates in metres.
\section*{The ends of one wire are located at \(( 0,0,0 )\) and \(( 0,100 , - 20 )\)
The ends of one wire are located at \(( 0,0,0 )\) and \(( 0,100 , - 20 )\)}
The ends of the other wire are located at \(( 10,0,20 )\) and \(( - 10,100 , - 5 )\) \(\_\_\_\_\)
19 - State one way in which Sarah's model could be refined.
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