"Using vectors, find   the area of the triangle with vertices A (1, 1, 2), B (2, 3, 5) and C (1, 5,
Channel: Doubtnut
Date: 2020-07-05

"Using vectors, find
 
  the area of the triangle with vertices A (1, 1, 2), B (2, 3, 5) and C (1, 5,
 
  5)."