Congruent triangles are the same because all three sides measure the same length.
Yes, similar triangles are congruent because in order to be congruent they must first be equal. Which in turn is the definition of a similar triangle. A triangle equal in angle measurements and/or side lengths. So, yes.
no theycan not
Dilating them
dilating them.
They are said to be similar but not congruent triangles.
Congruent
Increasing the dimensions of the smaller of the similar triangles (if they are not already congruent) by a suitably chosen constant factor.
The term for two triangles that are congruent after a dilation is similar.
dialating