Geometry HW 9-1 to 9-3
Name:___________
Practice 9-1
State whether each transformation appears to be an isometry. Explain.
1.
2.
3. In the diagram,
is the image of CDEF.
a. Name the images of
and
.
b. List the pairs of corresponding sides.
Find the rule that describes the given translation.
4.
5.
6.
7.
8.
9.
Find the image of the figure under the given translation.
10. translation
Translations
Practice 9-2
Reflections
Each point is reflected across the line indicated. Find the coordinates of the images.
11. C across the x-axis
12. H across the y-axis
13. E across
14. F across
15. G across
16. I across
17. For figure IJKL, draw its reflection image
across each line.
a. x-axis
b. y-axis
Practice 9-3
Rotations
Regular octagon EIGHTSUP is divided into eight congruent triangles. Find the image of
each point or segment for the given rotation.
18.
19.
20.
rotation of G about Z
rotation of U about Z
rotation of E about Z
21.
22.
rotation of
about Z
rotation of S about Z
23.
rotation of
about Z