Let 
be a triangle the position vectors of whose vertices are respectively 
and 
. Then, 
is
a)
Isosceles and right angled
b)
Equilateral
c)
Right angled but not isosceles
d)
None of these
Let be a triangle the position vectors of whose vertices are respectively and . Then, is
a)
Isosceles and right angled
b)
Equilateral
c)
Right angled but not isosceles
d)
None of these
Question ID - 53697 | SaraNextGen Top Answer
Let be a triangle the position vectors of whose vertices are respectively and . Then, is
a)
Isosceles and right angled
b)
Equilateral
c)
Right angled but not isosceles
d)
None of these
|
Let |
|
|
a) |
Isosceles and right angled |
|
b) |
Equilateral |
|
c) |
Right angled but not isosceles |
|
d) |
None of these |
1 Answer
127 votes
Answer Key / Explanation : (a ) -
(a)
We have,
and, 
and 
Clearly, 
Hence, the triangle is right angled isosceles triangle
127 votes
Answer Link
127