directly congruent figures
directly congruent figures
[də‚rek·lē kən¦grü·ənt ′fig·yərz] (mathematics)
Two solid geometric figures, one of which can be made to coincide with the other by a rigid motion in space, without reflection.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.