1. Bell Ringer 11/18/15
1. If two polygons are similar what do I know about them?
Find the unknown angle measures in the triangle.
2. The measure of one angle of a triangle is 61. The other two angles are in a ratio
of 2 : 5. 3.
Figure for #3  3.
2. Myra is playing a board game. After 12 turns, Myra has landed on a blue space 3 times. If the game will last for 100 turns, predict how many times Myra will land on a blue space.

2. Bell Ringer 11/13/15
1. The dashed-line figure is a dilation image of the solid-line figure. The labeled point is the center of dilation. Tell whether the dilation is an enlargement or a reduction. Then find the scale factor of the dilation. 2.
#3 – 4 Determine whether the following triangles are congruent. If so, state the theorem or postulate that proves them congruent and write a statement of congruence. 4.
Given: Q is midpoint of 3.

3. Bell Ringer 11/16/15 1. 2.

4. Extended ratio - compares three (or more) numbers.
a comparison of two quantities by division.
Three possible ways:
Extended ratio - compares three (or more) numbers.
Proportion – An equation that states two ratios equal.

7. ~ Vocabulary: Similar figures -
figures that have the same shape but not necessarily the same size. ~
Symbol used to state figures are similar:

8. Vocabulary: Scale factor -
the ratio of corresponding linear measurements of two similar figures.

9. I do

11. We do

12. You do
x and y.

14. Homework pg. 85 Due 11/18 Ch. 7.2 Similar polygon Skill Practices
Honors assigned: 11/9/15
Reg assigned: 11/16/15
Homework pg. 85
Due 11/18
Ch. 7.2
Similar polygon
Skill Practices
All

15. #1-3 Are the triangles similar
#1-3 Are the triangles similar? If so state the theorem that says they are, write a similarity statement and provide the
scale factor.
#4-5 find the indicated value
4. X=______ 5. X=_______ Y=_________

16. Bell Ringer
11/17/15
Figure for #2

17. Bell Ringer 11/18/15 1. 2. 2.

20. 2. 1. 3. 4. 5.

21. Homework
Due 11/16
Chapter: 7.3
Similar Triangles
Skills Practice
All