1. Warm-up Day before Ch. 4 Test Answer the following questions. Do not write the questions. 1) What does CPCTC stand for? 2) What kind of construction is show below? 3) What congruence conjecture is show below? 4) Find the measures of the three angles below.

2. H.W. Answers for 3.7 pg 181 - 182 #1-3, #6 and 7

3. H.W. Answers for 4.7 pg 239 - 240 #2- 6 all problems.

4. #4 and 5; 4.7 Problems

5. #6 and 4.7

6. Student of the day! Block 1

7. Student of the day! Block 3

8. Filling the remaining Conjectures C-9 Angle Bisector Concurrency Conjecture – The three angle bisectors of a triangle ________________. C-10 Perpendicular Bisector Concurrency Conjecture - The three perpendicular bisectors of a triangle ______________. C-11 Altitude Concurrency Conjecture – The three altitudes (or the lines containing the altitudes) of a triangle ______________. C-12 Circumcenter Conjecture – The circumcenter of a triangle _________________. C-13 Incenter Conjecture – The incenter of a triangle _________________.

9. Remaining Ch. 3 and Ch. 4 Conjectures C-14 Median Concurrency Conjecture – The three medians of triangle ____________________. C-15 Centroid Conjecture – The centroid of a triangle divides each Median into two parts so that the distance from the vertex to the centroid ________ is the distance from the centroid to the midpoint of the opposite side. C- 16 Center of Gravity Conjecture – The ___________ of a triangle is the center of gravity of the triangular region. C-27 Vertex Angle Bisector Conjector – In an isosceles triangle, the bisector of the vertex angle is also __________ and __________. C-28 Equilateral/Equiangular – Every equilateral triangle is ____________, and, conversely, every equiangular triangle is _____________.

10. Practice Test in Class: pg 251 #3 -5; 10-24 #31 and #35 Work quietly for 30 minutes. I will finish checking notebooks during this time. Once the 30 minutes are up ; you may discuss the problems at the table. Then I will post the answers and answer questions. If you finish before the 30 minutes, start the reviewsheet.

11. Ch.4 Practice Test

13. Ch. 4 #35 Practice Test