AnswersGCSS_GA-Geometry Concepts and Connections_ICIntroduction to Transformations

Introduction to Transformations Answers

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1
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Which describes the transformation? Select three options.

A
It is rigid.
B
It is nonrigid.
C
It is isometric.
D
The size is preserved.
E
The angles are not preserved.
2
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Consider the two rectangles shown.

Question illustration
A
reflection
B
rotation
C
stretch
D
translation
3

A transformation is shown in the diagram.

Question illustration
A
Quadrilateral DEFG is translated to form quadrilateral D'E'F'G'.
B
Quadrilateral DEFG is rotated to form quadrilateral D'E'F'G'.
C
Quadrilateral DEFG is reflected to form quadrilateral D'E'F'G'.
D
Quadrilateral DEFG is dilated to form quadrilateral D'E'F'G'.
4

Which transformations are nonrigid transformations? Select two options.dilationreflectionrotationstretchtranslation

A
dilation
B
reflection
C
rotation
D
stretch
E
translation
5

A transformation of rectangle ABCD results in rectangle A'B'C'D'.

Question illustration
A
dilation
B
reflection
C
rotation
D
translation
6

Triangle XYZ is transformed to create triangle X'Y'Z'. The side lengths of both triangles are shown. = 10 cm = 10 cm = 9 cm = 9 cm = 4 cm = 4 cm

Question illustration
A
Yes, the pre-image and image have the same side length measures.
B
Yes, all transformations are rigid.
C
No, the side lengths of triangle XYZ are different from each other.
D
No, each side length of X'Y'Z' should be one half of the corresponding side length of XYZ.
7

Triangle STV is transformed to create the image, triangle UTV.

Question illustration
A
Side length U T
Option A
B
Side length V U
Option B
C
Side length T S
Option C
D
Side length T V
Option D
8

A transformation of rectangle LMNO results in rectangle L'M'N'O'.

Question illustration
A
dilation
B
stretch
C
reflection
D
rotation
9

2 trapezoids have identical angle measures but different side lengths. Trapezoid 1 has side lengths 4, 2, 6, 2. Trapezoid 2 has side lengths 8, 4, 12, 4.

Question illustration
A
It is a dilation because the transformation is isometric.
B
It is a dilation because the transformation is not isometric.
C
It is a stretch because the transformation is isometric.
D
It is a stretch because the transformation is not isometric.
10

Triangle 1 undergoes four different transformations. The results of these transformations are shown.

Question illustration
A
Triangle 1 is rotated to result in triangle 2.
B
Triangle 1 is dilated to result in triangle 3.
C
Triangle 1 is reflected to result in triangle 4.
D
Triangle 1 is stretched to result in triangle 5.

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