The points are
.
Let the points be A
, B
, C
Find the side lengths AB , BC , CA . \ \
\Side length of the points A
, B
is
Side length of the points B
, C
is \ \
Side length of the points C
, A
is

Now verify the type of triangle.
\
Hence it is a right angled triangle.
\
The points
form a right angled triangle .