If the position vector of the vertices, |
|||
a) |
Equilateral |
b) |
Isosceles |
c) |
Scalene |
d) |
Right angled and isosceles also |
If the position vector of the vertices, |
|||
a) |
Equilateral |
b) |
Isosceles |
c) |
Scalene |
d) |
Right angled and isosceles also |
(d)
The position vector of the vertices of
are
and
respectively.
,
And
and
It is clear from these values that
Hence, is right angled and isosceles also.