Cincinnati

A map is placed on a coordinate grid. Cincinnati located at (5,4) and San Diego is located at (-10, -3). How far apart is Cincinnati from San Diego on the map? Round to the nearest tenth.

Correct result:

d =  16.5529

Solution:

$$\begin{gathered} d^2=\mathrm{\Delta }{x}^2+\mathrm{\Delta }{y}^2 \\ d=\sqrt{(5-(-10){)}^2+(4-(-3){)}^2}=\sqrt{274}=16.5529 \end{gathered}$$

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