The endpoints are A and B.
The midpoint of a segment with endpoints is
If point M is the midpoint of , then AM = MB.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=32a12d0cdc5ec83e86921dbd1a2ddfc5.png\")
with endpoints ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c1b0da7f105bb41f81780e32a21b1f87.png\")
is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a32aeee5fe4abe7f098cd4028e300efe.png\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=32a12d0cdc5ec83e86921dbd1a2ddfc5.png\")
, then AM = MB.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
, then AM = MB.