The three vectors \[\overrightarrow{A}=3\hat{i}-2\hat{j}+\hat{k},\,\,\overrightarrow{B}=\hat{i}-3\hat{j}+5\hat{k}\] and \[\overrightarrow{C}=2\hat{i}+\hat{j}-4\hat{k}\] form

• A.      An equilateral triangle  
• B.      Isosceles triangle
• C.      A right angled triangle   
• D.        No triangle