Question

(7, 9), (10, 8), (12, 10),Using determinant, find the area of the given triangle vertices.

Answer 1

Dear Student:

Given:$x_{1}=7,x_{2}=10,x_{3}=12$

$y_{1}=9,y_{2}=8,y_{3}=10$

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