# Unit 1a Transformations Mastery Assessment

- Author:
- Beverly Williams, Tim Brzezinski

1. Select the construction that guarantees A' is a reflection of point A across line BC.

Select all that apply

- A
- B
- C
- D

2. ABCD is a rectangle. Trapezoid AEFB is congruent to trapezoid CFED. G is the midpoint of segment EF.
Select **all **the ways we could describe the rigid transformation that takes AEFB to CFED.

Select all that apply

- A
- B
- C
- D
- E

3. Regular hexagon ABCDEF is inscribed in a circle with center H. a. What is the image of segment BC after a reflection over line FC ?

3. Regular hexagon ABCDEF is inscribed in a circle with center H. b. What is the image of segment BC after a 120-degree clockwise rotation about point H?

4. Describe a sequence of transformations that take isosceles trapezoid T to its image T'.