3 a Find the area of the triangle having vertices 1 2 3 2 1

Last updated: 2/8/2023

3 a Find the area of the triangle having vertices 1 2 3 2 1 1 1 2 3 b What is the equation of the plane that contains this triangle c The symmetric equation of the line containing 1 2 3 2 1 1 d The parametric equation of the line containing 1 2 3 1 2 3 and e The vector equation of the line containing 1 2 3 2 1 1