congruent
part of speech
adjective (congruent); noun congruence
meaning for a pupil
1) (maths) Exactly the same shape and size; one shape fits exactly on top of the other, even if turned or flipped. tree →
2) (formal) In agreement or matching (congruent with the facts). tree →
3) (maths) In number work, having the same remainder when divided by a number. tree →
sense in the lessons
In geometry lessons: congruent triangles, congruent shapes; tests such as SSS, SAS, ASA. Similar shapes have the same shape but can be different sizes; congruent shapes are also the same size.
examples
- These two triangles are congruent. tree →
- Congruent shapes have equal sides and angles. tree →
- Cut out two congruent squares. tree →
- A shape and its mirror image are congruent. tree →
- The two halves of a butterfly are congruent. tree →
- Her actions were congruent with her words. tree →
note
Congruent is not the same as similar: similar = same shape, congruent = same shape and same size. Turning or flipping a shape keeps it congruent; enlarging does not. Symbol: ≅.
Trees and pragmatics
Every meaning and example of «congruent» parsed by Mova, each sentence with its dependency tree and frames.