Performing and Sequencing Rigid Transformations
Geometry · Flashcards
GEOMETRY · FLASHCARDS
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QUESTION
What is the composition of reflections across
x
x
x
-axis then across
y
=
x
y=x
y
=
x
?
QUESTION
What is the image of
(
6
,
3
)
(6,3)
(
6
,
3
)
under a
180
∘
180^\circ
18
0
∘
rotation about
(
2
,
−
1
)
(2,-1)
(
2
,
−
1
)
?
QUESTION
What is the composition of reflections across
y
=
x
y=x
y
=
x
then across the
x
x
x
-axis?
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ANSWER
Rotation
90
∘
90^\circ
9
0
∘
clockwise about the origin. Composition of these reflections produces clockwise rotation.
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