Monash University researchers have extended Descartes’ Circle Theorem by finding a general equation for any number of tangent ...

The axes are not essential to this question as it is clear from the coordinates that the positive quadrant is the one being used. Use the coordinates of point A and point C to work out the height ...

The coordinates of three points A, B and C are given. Find the coordinates of points D and E. The highlighted words are the most important ones. What is the question asking? The question wants two ...