Transformations

Question	Answer
Symétrique	Symmetrical /sɪˈmetrɪkl/ - Symmetric /sɪˈmetrɪk/
The points C'- D' and E' are the images of C- D and E under the translation of vector $\overrightarrow{AB}$	Les points C'- D' et E' sont les images des points C- D et E par la translation de vecteur $\overrightarrow{AB}$
In plane geometry- reflection across any line	Moving each point perpendicularly across a straight line (known as the Axis of Reflection)- as far into the other side of the given axis- as the distance from the original point to the axis of reflection
Two geometric objects are said to be congruent /ˈkɒŋɡruənt/	The two geometric objects have the same size and shape
Two geometric objects are said to be similar	One object can be obtained from the other via a sequence of transformations including rotations- reflexions- translations and dilatations
If two triangles are similar	The ratios of corresponding sides agree
Symétrique par rapport à l'origine	Symmetric about the origin - Symmetric across the origin - Symmetric with respect to the origin

Resource summary

	Created by Dominique TREMULOT almost 2 years ago