3. Warm-up with 4.2 Notes on Isosceles Triangles 2) Copy Angle EBC and name it Angle LMN. ------------------------------------------- 3) Copy EC and add it to JK. ------------------------------------------------- --------------------------------------------

4. Answers to 3.1 # 1 - 4

5. Answers to 4.1 #2-9 all numbers

6. Student of the day! Block 1

7. Student of the day! Block 3

8. Constructing a Perpendicular Bisector pg. 150 Also the way you find midpoint. Constructing a median on a triangle: Find the midpoint of one side of the triangle. Then connect the midpoint to the opposite vertex.

9. 4.2 Isosceles Triangle Isosceles Triangles have special names for their angles and sides.

10. Practice Problems 1) An isosceles triangle has a vertex angle that measures 30 degrees. What are the other angle measures? 2) An isosceles triangle has a base angle that measures 70 degrees. What are the other angle measures?

11. 3.2 and 4.2 Conjectures C-5 Perpendicular Bisector Conjecture – If a point is on the perpendicular bisector, then __________________. C-6 Converse of the Perpendicular Bisector – If a point is equidistant from the endpoints of a segment, then it is on the ________________ of the segment. C-19 Isosceles Triangle Conjecture - If a triangle is isosceles, then _____________________. C-20 Converse of the Isosceles Triangle Conjecture - If a triangle has two congruent angles, then _______________.

12. H.W. Assignment 3.2 pg 151 – 152 #1,2, 4 and 7 4.2 pg 208 – 209 # 2- 14 even #s Help with #14 13)Complete the statement. Remember to write the congruent parts in order.