1. The problem asks to identify the two transformations that show figure ABCD is congruent to figure A'B'C'D'.
2. Given the coordinates:
- ABCD: A(6,6), B(8,6), C(8,2), D(6,2)
- A'B'C'D': A'(8,-8), B'(6,-8), C'(6,-4), D'(8,-4)
3. First, observe the reflection. The points of ABCD are reflected over the line $y=-x$ or equivalently reflected across the line $y=-7$ (since the y-coordinates change sign and shift). This flips the rectangle vertically.
4. Next, a translation moves the reflected figure to the new position. The translation vector can be found by comparing a point and its image, for example:
$$\text{Translation vector} = (8 - 6, -8 - 6) = (2, -14)$$
5. Therefore, the two transformations are:
- A reflection (flipping the figure over a horizontal line)
- A translation (sliding the figure by vector $(2, -14)$)
6. These transformations preserve distances and angles, so figure ABCD is congruent to figure A'B'C'D'.
Final statement:
A reflection and a translation show figure ABCD is congruent to figure A'B'C'D'.
Congruence Transformations 891D96
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