1993 UNCO Math Contest II Problems/Problem 4

Problem

The table gives some of the straight line distances between certain pairs of cities. for example the distance between city $A$ and city $B$ is $34.$ Use the given data to determine the distance between city $A$ and city $C$. (Hint: a problem in the first round was similar in spirit to this one.) \[\begin{tabular}{c|cccc} & A & B & C & D \\ \hline A & 34 & & 16 \\  B & & 42 & \\  C & & & 12\\  D & 30 & & \\  \end{tabular}\]

Solution

See also

1993 UNCO Math Contest II (ProblemsAnswer KeyResources)
Preceded by
Problem 3
Followed by
Problem 5
1 2 3 4 5 6 7 8 9 10
All UNCO Math Contest Problems and Solutions