Distance Formula
The distance between two points (x1,y1) and (x2,y2) is determined by the formula
d=(x2−x1)2+(y2−y1)2−−−−−−−−−−−−−−−−−−√
Example
The distance between two points (8,1) and (14,3) is
d=(14−8)2+(3−1)2−−−−−−−−−−−−−−−−√
d=210−−√
Thus, the distance between two points (8,1) and (14,3) is 210−−√ units.