Question 403457
the distance between A(0,1) and B(-4,6) calculates by the formula:

{{{AB= sqrt((X2-X1)^2 + (Y2-Y1)^2 )}}}
{{{AB= sqrt((-4-0)^2 + (6-1))^2 ) }}}
{{{AB= sqrt (16+25)}}}
{{{AB= sqrt (41)}}}