AnswersAZ-Common Core Geometry AIntroduction to Transformations

Introduction to Transformations Answers

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21
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Which transformations are nonrigid transformations? Select two options.

A
dilation
B
reflection
C
rotation
D
stretch
E
translation
22
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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.
23

Consider the two rectangles shown.

Question illustration
A
reflection
B
rotation
C
stretch
D
translation
24

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.
25

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.

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