The coordinates of B and E are 1 and 4.
BE = (Distance formula)
= or 5 (Subtract: )
The measure of BE line is or 5.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=707a2c183343ba0292feae71ec9e2654.png\")
1 and 4.![\"graph](\"http://www.mathskey.com/userfiles/image/Library/Geometry/graph_coordinates_A_B_minus4_minu1%281%29.gif\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=acf83b642e9cedb0b356c41417f3635f.png\")
(Distance formula)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c176a3fc428e5881f2be3ed4451f60a8.png\")
or 5 (Subtract: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6fe48d261c6a4b6d339c4bd3da7fe0e8.png\")
)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c176a3fc428e5881f2be3ed4451f60a8.png\")
or 5.