# Length of line segment?????

• February 3rd 2008, 07:49 PM
ErinVErin
Length of line segment?????
points of line AB are A(6,5) and B(-2,1) the mid point of that line is (2,3) how do i find the length of this line??? Please help!
• February 3rd 2008, 07:52 PM
Jhevon
Quote:

Originally Posted by ErinVErin
points of line AB are A(6,5) and B(-2,1) the mid point of that line is (2,3) how do i find the length of this line??? Please help!

the length of the line between two points $(x_1,y_1) \mbox{ and } (x_2,y_2)$ is given by:

$L = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$