3 ms·
> I wonder how he would explain rhombuses with negative area. The rhombus is in the II or IV quandrant. Alternatively, the endpoint of the vector sum is of th
by jpdoctor 13y ago
> I wonder how he would explain rhombuses with negative area.
The rhombus is in the II or IV quandrant. Alternatively, the endpoint of the vector sum is of the form (-x, y) or (x, -y), where x and y are positive numbers.