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facial expression matched their internal feelings.
Euthymic refers to a state of mood characterized by a stable and moderate range of emotions. It is often used in the context of mental health to describe a balanced and normal emotional state without significant mood disturbances.
If angles are congruent they are exactly the same.
Corresponding parts of congruent triangles are congruent.
Two angles are congruent if they have the same measure.
'corresponding parts of congruent triangles are congruent'
Corresponding parts of congruent triangles are congruent/equal
Congruent can mean corresponding to (or agreeing with); or in mathematics, it can mean identical in shape and size. For example, two circles are congruent if they have the same size, while two line segments are congruent if they have the same length. So it basically means that it has the same shape and size.
Euthymic is characterized as a non-depressed, average, normal, positive mood and attitude in a person. The mood is balanced.
SAS and SSS are congruent. SSA need not be.
Two things are congruent if they are the same shape and size.
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