Geometry · Points, Lines & Angles
Midpoint
HSG-CO.A.1
Definition
The point that divides a segment into two congruent halves.
Examples
- Midpoint M divides segment AB so that AM = MB.
- The midpoint of a 10 cm segment is 5 cm from each end.
Key rule
A midpoint always creates two congruent (equal-length) halves.
Memory hook
The exact halfway point.