1. Page 70 Name ALL triangles that are congruent to TRIANGLE DJI.
MODIFIED DIRECTIONS: PLEASE CROSS OUT DIRECTIONS SHOWN ON PAGE 70, AND THEN REPLACE WITH THE DIRECTIONS GIVEN BELOW:
Name ALL triangles that are congruent to TRIANGLE DJI.
Name five obtuse triangles that are congruent to each other, but that are not similar to Triangle DJI.
Name two Pentagons that are similar to each other, but that are not congruent.

2. Page 72

3. Page 73 Which point is the center of dilation?
Be specific in your description.

4. Page 73
What does the center of dilation, in this case point O, determine in the problem?
What is the scale factor doing to each line segment in the original parallelogram PQRS?

5. A: B: Page 75 9.1 Two-three-four and Four-five-six
Triangle A has side lengths 2, 3, and 4. Triangle B has side lengths 4, 5, and 6. Is Triangle A similar to Triangle B?
Shortest side
Medium side
Longest side
Determine if the sides lengths of Triangle A correspond to those of Triangle B. Draw the table to the right in your book above Problem 9.1 A: B:

6. Pages 75-76

7. Pages 75-76

8. Page 77
Use the following side lengths for the Triangles:
AB = 5
BC = 4
DE = 10
EF = 8 10 8 5 4

9. Page 81 12 18 Modified Question:
Change the following numbers shown in boxes.

10. Page 83 Pre-Image: Small Triangle Image: Large Triangle
Center of Dilation: ( , )
Scale Factor used to map:
(Small Triangle  Large Triangle)
Scale Factor: _____