1. Yeah, parent-teacher conferences!

2. Find the measures of the numbered angles m∠1 = 60 ° m∠2 = 50 ° m∠3 = 80 ° m∠4 = 100 °

3. Lesson 4-3 I can name and label corresponding parts of congruent triangles.

4. vertices S A M ΔSAM ΔMSA ΔASM etc…..

5. size shape

6. Angle measure betweenness colinearity distance A B C D W X Y Z

7. ∆ABC ≅ ∠A ≅ ∠J ∠B ≅ ∠K ∠C ≅ ∠L ∆JKL AB ≅ JK BC ≅ KL CA ≅ LJ

8. R G D X L N ∠G ≅ ∠L ∠R ≅ ∠X ∠D ≅ ∠N GR ≅ LX RD ≅ XN GD ≅ LN

9. ∆ABC ≅∆ADC ∠B ≅ ∠D ∠ACB ≅ ∠ACD ∠BAC ≅ ∠DAC AB ≅ AD BC ≅ DC AC ≅ AC B A C D A C

10. ∆DCB ∠D ∠DCB ∠DBC DC CB DB

11. ASSIGNMENT: 4-2 worksheet