Transformations Unit

If two angles of one triangle are congruent to two angles of another triangle, then the triangles are similar.

• Angle-Angle Similarity

• Congruent

• Similar

• Scale Factor

Having the same measure; If one image can be obtained from another by a sequence of rotations, translations, or reflections.

• Angle-Angle Similarity

• Congruent

• Similar

• Image

A transformation that enlarges or reduces a figure by a scale factor.

• Reflection

• Rotation

• Translation

• Dilation

The resulting figure after a transformation.

• Translation

• Image

• Pre-Image

• Dilation

The line over which a figure is reflected in a transformation.

• Line of Symmetry

• Reflection

• Pre-Image

• Dilation

The original figure before a transformation.

• Congruent

• Image

• Pre-Image

• Dilation

A transformation where a figure is flipped over a line. Also called a flip.

• Translation

• Reflection

• Rotation

• Dilation

A transformation in which a figure is turned about a fixed point.

• Translation

• Reflection

• Rotation

• Dilation

The ratio of the lengths of two corresponding sides of two similar polygons.

• Angle-Angle Similarity

• Image

• Similar

• Scale Factor

If one image can be obtained from another by a sequence of transformations and dilations.

• Pre-Image

• Image

• Congruent

• Similar