ID: Class: 12 Subject: Math Topic: Vector Algebra Type: Short (SA) Year: 2024

Question:

The position vectors of vertices of \(\Delta\) ABC are \(A(2\hat{i}-\hat{j}+\hat{k}),\) \(B(\hat{i}-3\hat{j}-5\hat{k})\) and \(C(3\hat{i}-4\hat{j}-4\hat{k})\) Find all the angles of \(\Delta\) A?.