Transformations & Congruence
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by Lisa Bryjak
| 7 Questions
Note from the author:
Transformations & Congruence
1
1
A
B
C
D
A right triangle with angles measuring 45°, 45°, and 90° undergoes a reflection, rotation and translation. Determine whether the angle measures of the image of the triangle are 45°, 45°, and 90° after each transformation.

Choose Yes or No to state whether the angles of the transformed triangles are 45°, 45°, and 90°.
2
1
After the reflection, are the angles of the triangle still 45°, 45°, and 90°?
Yes
No
3
1
After the rotation, are the angles of the triangle still 45°, 45°, and 90°?
Yes
No
4
1
After the translation, are the angles of the triangle still 45°, 45°, and 90°?
Yes
No
5
2
Looking at the triangles above, which statements are correct? Choose all that apply
m∠B = m∠A
m∠X = m∠A
m∠X = m∠Z
m∠Y = m∠B
m∠Z = m∠B
m∠Z = m∠C
6
1
Use the image and word bank above to fill in the blank. Quadrilateral EFGH is a __________________ of quadrilateral ABCD.
7
2
Use the image and word bank above to fill in the blank. If side CD is parallel to side AB, then side GH is _________________ to side __________.