Question 856897
{{{drawing(300,300,-10,10,-10,10,grid(1),
circle(0,6,0.4),
circle(0,-6,0.4),
circle(-8,6,0.4),
circle(8,-6,0.4),
green(line(0,0,0,6)),
green(line(0,0,0,-6)),
green(line(0,-6,8,-6)),
green(line(0,6,-8,6)),
blue(line(-8,6,8,-6)))}}}
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The path the cars followed are in green.
The distance between them is in blue.
The distance forms a right triangle with legs 12 and 16.
{{{H^2=12^2+16^2}}}
{{{H^2=144+256}}}
{{{H^2=400}}}
{{{H=20}}}{{{miles}}}