1. Geometry
Optimism is the faith that leads to achievement. Nothing can be done without hope and confidence. Helen Keller
Today:
2.6 Instruction
Practice

2. 2.6 Reasoning with Properties from Algebra
Objectives:
Use properties from algebra
Use properties of equality
Use properties of length and measure to justify segment and angle relationships
Vocabulary: reflexive, substitution, symmetric, transitive, distributive

3. Geometry
Organising is what you do before you do something, so that when you do it, it is not all mixed up.
A.A. Milne
Assignment:
2.5 p 131: 7, 9, 30 (set it up like in our notes, get as far as you can!), 52

4. 2.6 Reasoning with Properties from Algebra

5. 2.6 Reasoning with Properties from Algebra
statements
reasons

6. 2.6 Reasoning with properties from algebra
Using Midpoints in proofs. A M B

7. 2.6 reasoning with properties from algebra
Given: M is the midpt of AB
Prove: x = 3/2
9(x+1)
5x+15 A M B

8. Geometry
Organising is what you do before you do something, so that when you do it, it is not all mixed up.
A.A. Milne
Assignment:
2.6 p 141 #9, 11, 17, 24, 43