adjective
- not having the same shape and size; not able to be placed exactly on top of each other
Usage: geometry; mathematics
Examples
- The two triangles are noncongruent because they have different side lengths.
- Noncongruent figures cannot be superimposed perfectly on one another.
- The geometry test asked students to identify which shapes were congruent and which were noncongruent.
- These noncongruent rectangles have the same area but different dimensions.
- The teacher explained that noncongruent polygons may be similar but not identical in size.
- Mirror images of asymmetric shapes are typically noncongruent to the original.