KcetThree Dimensional GeometryKCET 2026MCQ+1 / -02026The angle between the lines whose direction ratios are $a, b, c$ and $b - c, c - a, a - b$ isA$90^\circ$B$60^\circ$C$30^\circ$D$0^\circ$Check AnswerClear SelectionReveal AnswerShow Explanation