ID: Class: 12 Subject: Math Topic: Vector Algebra Type: Mcq Year: 2024

Question:

The vectors \(\vec{a}=2\hat{i}-\hat{j}+\hat{k}\), \(\vec{b}=\hat{i}-3\hat{j}-5\hat{k}\) and \(\vec{c}=-3\hat{i}+4\hat{j}+4\hat{k}\) represents the sides of
  • A. an equilateral triangle
  • B. an obtuse-angled triangle
  • C. an isosceles triangle
  • D. a right-angled triangle