Detailed description
Cartesian plane. Points P(x1, y1), Q(x2, y2) and X(x2, y1) shown. Segment PQ. Segments PX and QX are dotted and labelled x2 – x1 and y2 – y1 respectively. Right angle marked at X.
Distance between points
Cartesian plane. Points P(x1, y1), Q(x2, y2) and X(x2, y1) shown. Segment PQ. Segments PX and QX are dotted and labelled x2 – x1 and y2 – y1 respectively. Right angle marked at X.