Question 134976
You are given two points. The distance between two points is given as:

{{{distance = sqrt((x2 - x1)^2 + (y2 - y1)^2)}}} 

{{{distance = sqrt((3a - 0)^2 + (0 - 4a)^2)}}} 
{{{distance = sqrt((3a)^2 + (-4a)^2)}}} 
{{{distance = sqrt(9a^2 + 16a^2)}}} 
{{{distance = sqrt(25a^2)}}} 
distance = 5a