Defining Rotations, Reflections, and Translations
Geometry · Flashcards
GEOMETRY · FLASHCARDS
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QUESTION
What does it mean to say a reflection preserves distance?
QUESTION
Identify the image of
(
2
,
5
)
(2,5)
(
2
,
5
)
under reflection across the line
y
=
x
y=x
y
=
x
.
QUESTION
What is the defining distance property of a translation for any points
P
P
P
and
Q
Q
Q
?
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ANSWER
P
Q
=
P
′
Q
′
PQ=P'Q'
P
Q
=
P
′
Q
′
(translations preserve distances). All distances between points remain unchanged.
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