Geometry – Unit 2 Practice
What Is An Isometry?
Name: _____________________________!
Date: ___________ Pd: ____
G.CO.A.2
Quick Concept: An Isometry is a transformation in the plane that preserves distance, angle measure, shape, and size…..
all things about the shape. In other words, an isometric transformation produces an identical (or congruent) shape.
1) Circle which of the following are isometric transformations.
Pre-Image
a)
b)
d)
e)
2) Circle which of the following are isometric transformations.
Pre-Image
a)
b)
d)
e)
c)
f)
c)
f)
3) Which transformations are isometric?
SNRPDP
Unit 2: Transformations in a Plane
NVACS – Revised 2015-2016
Page 1 of 3
Practice – Unit 2 (cont.)
a)
4) Determine if the pre-image and image are isometric and also which transformation produced
the image.
PRE-IMAGE
IMAGE
Circle Answer
Circle Transformation
ISOMETRY
NOT ISOMETRY
Rotation
Reflection
Translation
Dilation
Stretch
Other
b)
ISOMETRY
NOT ISOMETRY
Rotation
Reflection
Translation
Dilation
Stretch
Other
c)
ISOMETRY
NOT ISOMETRY
Rotation
Reflection
Translation
Dilation
Stretch
Other
d)
ISOMETRY
NOT ISOMETRY
Rotation
Reflection
Translation
Dilation
Stretch
Other
e)
ISOMETRY
NOT ISOMETRY
Page 2 of 3
Rotation
Reflection
Translation
Dilation
Stretch
Other
Practice – Unit 2 (cont.)
5. Determine if the pre-image and image are isometric and also which transformation produced the
image.
PRE-IMAGE
IMAGE
Circle Answer
Circle Transformation
a)
ISOMETRY
NOT ISOMETRY
Rotation
Reflection
Translation
Dilation
Stretch
Other
b)
ISOMETRY
NOT ISOMETRY
Rotation
Reflection
Translation
Dilation
Stretch
Other
c)
ISOMETRY
NOT ISOMETRY
Rotation
Reflection
Translation
Dilation
Stretch
Other
d)
ISOMETRY
NOT ISOMETRY
Rotation
Reflection
Translation
Dilation
Stretch
Other
e)
ISOMETRY
NOT ISOMETRY
Page 3 of 3
Rotation
Reflection
Translation
Dilation
Stretch
Other