Question

Area of triangle using determinants
1,3 2,5 7,5

Answer 1

Answer:

5

Step-by-step explanation:

1 3 1

2 5 1

7 5 1

solve this determinant so you get -10 and it's mode is 10.after doing 10/2 =5 is answer

Answer 2

Step-by-step explanation:

so the final answer is =-10