In this book, you will learn the following:
[list]
[*]find the coordinates of the midpoint of a line segment;
[*]compute the gradient of a line that is parallel or perpendicular to a given line;
[*]calculate the area of a rectilinear figure given the coordinates of its vertices using the shoelace method;
[*]obtain the equation of a circle given its centre and radius, and vice versa.
[/list]
