Transformations & Congruence

by Lisa Bryjak

| 7 QuestionsNote from the author:

Transformations & Congruence

1

1

Select your answer here for #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 __________.

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