Geometry

Geometry Date: 11/7/2011 Sect. 4.2 pg 185-188 ID CheckObjective: SWBAT use and apply the sum theorem and the Exterior theorem in determining angle measure in .

Parking Lot: pg 163 #17, 18, 20, 22, 23, 24, 25, 26

Do Now: Lesson 4-1 pg 760 #1-9;

HW Requests: pg 189 12, 14-17; 18-34 evens, 45; pg 155 #35- 37; 182 #38, 39

HW: Worksheet 4.1-4.2Read Sect. 4.3 - Take Notes

Announcements: Quiz 4.1-4.3 Thursday

Geometry Date: 11/8/2011 Sect. 4.3 pg 185-188 ID CheckObj.: SWBAT

Parking Lot: Lesson 4-1 pg 760 #1-9; pg 155 #35- 37; 182 # 39,

HW Requests: Worksheets 4.1 and 4.2;

HW: pg 195 10-20 evens 26, 27 , 29-34Read Sect. 4.4 Quiz 4.1-4.3 Thursday

SWBAT name and label corresponding parts of congruent triangles (CPCTC) and apply these principles to solve algebraic applications.

11/9/11 Sect. 4.4 Prove ’s using SSS and SAS PostulatesObj: SWBAT apply properties of ’s, of congruence and the SSS and SAS to test for congruence.

1. Bell Ringer: See overhead

Parking Lot: pg 155 #35, 37; pg 195 #36, pg 181 # 39

2. HW Requests: pg 195 10-20 evens 26, 27 , 29-34

3. In class: pg 202 #2-9 Exit Ticket #9

HW: Pg 204 #11-21 odds, 22-25; Copy proofs in notes

Announcements: Quiz Thursday 4.1-4.3

11/10/11 Sect. 4.4 Prove ’s using SSS and SAS PostulatesObj: SWBAT apply properties of ’s, of congruence and the SSS and SAS to test for congruence.

1. Bell Ringer: Quiz

Parking Lot: pg 155 #35, 37; pg 195 #36, pg 181 # 39

2. HW Requests: pg 202 #2-9 Exit Ticket #9

HW: Pg 204 #11-21 odds, 22-25; Copy proofs in notes

Announcements: Binders Dec. 9th

SSS Post. – If sides of one are to sides of a 2nd , then the ’s are .Warning Danger – Read example proofs in text.

See Ex 1 SSS(1, 2, 3) or SAS( 1, 1, 3) Tells where in the proof you have proven a side oran angle is congruent.

Question: To prove ABC DEF using SSS Post. what must be true?

Question: Can I prove GEF SQR using SSS?

Side-Angle-Side (SAS) Post.

Def’n: included - formed by 2 sides

•SAS Post.– If 2 sides & the included of one are to 2 sides & the included of a 2nd , then the ’s are .

Ex 3.

In class: pg 202 #2-9 Exit Ticket #9 HW: Begin pg 204 #5,6, 10, 12, 14-16, 22-25Copy proofs in your notes

•SAS Post. Which pair are SAS? •Pair 4

•Pair 1