A line at point P has a 45 degree slant and forms a quadrilateral shape. This quadrilateral has opposite sides that are parallel to each other. Any shape with these properties of parallel opposite sides is called a parallelogram.

6. The right line should be slanted to 60 degree

8. A line having 45 degree slant is drawn through P.

10. A quadrilateral like this with opposite sides
parallel, is called a Parallelogram
In Parallelogram, both pairs of opposite
sides are parallel and equal.