Question

(11, 8), (3, 2), (8, 12),Using determinant, find the area of the given triangle vertices.

Answer 1

Dear Student:

Given:$x_{1}=11,x_{2}=3,x_{3}=8$

$y_{1}=8,y_{2}=2,y_{3}=12$

Then we can write  Area of triangle as given in  attachment: