a.
\Find the distance between the two jet.
\The points are and
.
The distance between the points and
is
.
Let the points are and
.
Distance between the points is .
Therefore, the distance between the two jets is .
b.
\Find the mid point of two jets.
\The mid point of
is
.
Mid point .
a.
\The distance between the two jets is .
b.
\\
.