Question

how would I find the area of the triangle with these points?
(0,0)
(2.8,2.1)
(4.3,4.4)

Answer 1

@rational

Answer 2

shh don't tell anyone, but you're one of my new favorite helpers XD

Answer 3

haha you're good, simply find the determinant

| 2.8 2.1 |
| 4.3 4.4 |

Answer 4

3.29?

Answer 5

divide by 2

Answer 6

1.645

Answer 7

that looks good!

determinant gives the area of PARALLELOGRAM

dividing by 2 gives the area of TRIANGLE

Answer 8

oh, okay XD you just answered the question I was going to ask.