In Exercises 17-20, determine whether the figure has rotational symmetry. If so, describe any rotations that map the figure onto itself. (See Example 4.) 17. 18. $ 19. 20. 2 5 es 28.
In Exercises 17-20, determine whether the figure has rotational symmetry. If so, describe any rotations that map the figure onto itself. (See Example 4.) 17. 18. $ 19. 20. 2 5 es 28.
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
Related questions
Question
![19.
In Exercises 17-20, determine whether the figure has
rotational symmetry. If so, describe any rotations that
map the figure onto itself. (See Example 4.)
17.
18.
$
Translation: (x, y) → (x-3, y + 2)
21.
Reflection: in the x-axis
Rotation: 270° about the origin
3.
20.
In Exercises 21-24, identify the line symmetry and
rotational symmetry of the figure. (See Example 5.)
22.
X
24.
S
=2
Ste
Ste
Ste
28. RE
1
b
29. M
21mes of
Sypenetry](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1cb87828-e970-4141-9dc3-4bbecde82ca2%2F8e646162-3c50-49f2-acb9-0b10fdd6057b%2Fm52wnx8_processed.jpeg&w=3840&q=75)
Transcribed Image Text:19.
In Exercises 17-20, determine whether the figure has
rotational symmetry. If so, describe any rotations that
map the figure onto itself. (See Example 4.)
17.
18.
$
Translation: (x, y) → (x-3, y + 2)
21.
Reflection: in the x-axis
Rotation: 270° about the origin
3.
20.
In Exercises 21-24, identify the line symmetry and
rotational symmetry of the figure. (See Example 5.)
22.
X
24.
S
=2
Ste
Ste
Ste
28. RE
1
b
29. M
21mes of
Sypenetry
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