If the position vectors of the vertices of a triangle be \[6\mathbf{i}+4\mathbf{j}+5\mathbf{k},\,\,\,4\mathbf{i}+5\mathbf{j}+6\mathbf{k}\] and \[5\mathbf{i}+6\mathbf{j}+4\mathbf{k},\] then the triangle is

If the position vectors of the vertices of a triangle be \[6\mathbf{i}

1.	If the position vectors of the vertices of a triangle be \[6\mathbf{i}+4\mathbf{j}+5\mathbf{k},\,\,\,4\mathbf{i}+5\mathbf{j}+6\mathbf{k}\] and \[5\mathbf{i}+6\mathbf{j}+4\mathbf{k},\] then the triangle is
A.	Right angled
B.	Isosceles
C.	Equilateral
D.	None of these
Answer» D. None of these

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If the position vectors of the vertices of a triangle be \[6\mathbf{i}+4\mathbf{j}+5\mathbf{k},\,\,\,4\mathbf{i}+5\mathbf{j}+6\mathbf{k}\] and \[5\mathbf{i}+6\mathbf{j}+4\mathbf{k},\] then the triangle is

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