
Sam Z. answered 04/11/21
Tutor
4.3
(12)
Math/Science Tutor
The diagram itself looke good. The labeling could be better.
de=3
cd=4
ef=6
It sounds like you are to use the 3rd quadrant.
If 2 ends are in quad 3; the whole box is in quad 3.
Change your points to negative.