Question

Find the area of the triangle for the following (1) = (13,2) (1,4) (-1,5) (2) = (6,3) (2,1) (1,1) (3) = (-1,2) (3,4) (5,3) (4) = (1,5) (2,1) (6,3)​

Answer 1

Answer:

a triangle has only 3 vertices but in your question 4 vertices are there