3.1
The transformation representing a flip of a figure is called a(n):
What is a Reflection
A _____________ is a transformation that moves all points of a figure the same distance in the same direction
What is a translation
A ____________ is a transformation that turns every point of a pre-image through a specified angle and direction about a fixed point.
What is a rotation
A(n) ______________ is the composition of a translation followed by a reflection in a line parallel to the translation vector
What is a glide reflection
A figure in a plane has _______ if the figure can be mapped onto itself by a reflection in a line.
What is line symmetry
When a figure can be folded so that the two halves match exactly, the fold is called a ______of ______
What is a line of reflection
A translation maps each point to its image along a vector called the __________
__________
What is the translation vector
The rotation of a figure around a fixed point called the ________ of _______
Center of rotation
A(n) ___________ is a transformation made up of successive transformations
What is a composition
A 3 dimensional figure has _________ ___________ if the figure can be mapped onto itself by a rotation between 0 and 360 degrees
What is rotational symmetry
A _______ transformation does not change the shape or the size of a figure
What is rigid
The notation that is shortened by vector notation
What is mapping notation
The degrees that a figure is rotated is called the _____ of ______
What is the angle of rotation
The composition of two reflections in parallel lines can be described by a ______________ that is perpendicular to the two lines and twice the distance
What is a translation vector
A figure has _______ if there exists a rigid motion that maps the figure onto itself
What is symmetry
This states that two figures are congruent if and only if there is a rigid motion or a series of motions that maps one figure exactly onto each other
What is the principle of superposition
In vector notation, the "x" value shows how to move _____ or _____
What is left or right
If it is not explicitly said, the rotation should always go _______________
What is counterclockwise
The composition of two reflections in Intersecting lines can be described as a ___________ through an angle of twice the angle formed by the lines
What is a rotation
The number of times a figure maps onto itself as it rotates from 0 to 360 degrees
What is order of symmetry
Another name for a rigid transformation is a ________ transformation
The arrow in mapping notation means to ____________
What is transform
Rules of rotation can only be used if the center of rotation is the ________
What is the origin
The transformed image is called the ___________
What is image
The smallest angle through which a figure can be rotated so that it maps onto itself