Question 55931
find the distance between the points:
a(2,5) and b(4,-1)
The distance formula is:  {{{highlight(d=sqrt((x2-x1)^2+(y2-y1)^2))}}}
(x1,y1)=(2,5) and (x2,y2)=(4,-1)
{{{d=sqrt((4-2)^2+(-1-5)^2)}}}
{{{d=sqrt((2)^2+(-6)^2)}}}
{{{d=sqrt(4+36)}}}
{{{d=sqrt(40)}}}
{{{d=sqrt(4)*sqrt(10)}}}
{{{d=2*sqrt(10)}}} approximately 6.3246
Happy Calculating!!!