a.
To identify the invariant under the composite of reflection.
a.
Answer to Problem 14WE
The properties which are invariant under the composite of reflection and a dilation is
Explanation of Solution
Given a composite of reflection and dilation.
Calculation:
Check whether the distance is invariant under a composite of two reflections.
A the composite ofreflections in two intersecting lines are a rotation about the point of intersection of
the two lines . The measure of the
of reflection to the second.
And exceptthe half-turn, in rotation only the orientation is not invariant therefore, the distance is
Invariant under a composite of two reflections.
b.
To identify the invariant under the composite of reflection.
b.
Answer to Problem 14WE
The properties which are invariant under the composite of reflection and a dilation is
Explanation of Solution
Given a composite of reflection and dilation.
Calculation:
Check whether the angle measure isinvariant under a composite of two reflections..
The composite ofreflections in two intersecting lines are a rotation about the point of intersection of the two lines. The measure of the angle of rotation is twice the measure of the angle from the first line of reflection to the second.
And except the half-turn, in rotation only the orientation is not invariant therefore, the angle measure is
Invariant under a composite of two reflections.
c.
To identify the invariant under the composite of reflection.
c.
Answer to Problem 14WE
The properties which are invariant under the composite of reflection and a dilation is
Explanation of Solution
Given a composite of reflection and dilation.
Calculation:
Check whether the area isinvariant under a composite of two reflections.
A the composite ofreflections in two intersecting lines are a rotation about the point of intersection of the two lines . The measure of the angle of rotation is twice the measure of the angle from the first line of reflection to the second.
And except the half-turn, in rotation only the orientation is not invariant therefore, the area is
Invariant under a composite of two reflections.
Chapter 14 Solutions
McDougal Littell Jurgensen Geometry: Student Edition Geometry
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