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Congruent
congruent triangles
Congruent - Objects and figures that have the same size and shape.
The shapes can be turned into one another with a flip, rotation or turn.
Notice that each figure below is congruent to one other figure in the given set of figures.
The congruent pairs are congruent because they have the same size and shape,
regardless of their orientation (the way they are "sitting").
Objects that are exactly the same size and shape are said to be congruent.
In plain English, these objects are exactly the
same - they are duplicates of one another.  
The mathematical symbol used to denote congruent is .
An example of congruence. The two figures on the left
are congruent, while the third is similar to them. The last
figure is neither.
congruent
not congruent