Any point P with coordinates (\(x,~y\)) on the circumference of a circle can be joined to the centre (0, 0) by a straight line that forms the hypotenuse of a right angle triangle with sides of ...

Members of Ulta's loyalty program, Ultimate Beauty Rewards, will be able to link their Target Circle accounts so they can earn Ultimate Rewards points plus 1% back for future Target purchases when ...

ie the line cuts the circle at two distinct points, the line is a tangent to the circle or the line misses the circle. To work out which case you have, use algebra to work out how many points of ...