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.

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.

Bell Ringer 11/16/15 1. 2.

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.

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

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

I do

We do

You do x and y.

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

#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. 1. 2. 3. #4-5 find the indicated value 4. X=______ 5. X=_______ Y=_________

Bell Ringer 11/17/15 Figure for #2

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

2. 1. 3. 4. 5.

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