Mathematics
Coordinate-Geometry
Easy
Question
The points (a, b+c),(b, c+a) and (c ,a+b) are
- vertices of an equilateral triangle
- concyclic
- vertices of a right-angled triangle
- none of these
The correct answer is: none of these
As the given points lie on the line x+y=a+b+c, they are collinear.
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