1. Pythagorean Theorem & Angle Properties Review Friday, September 6 th, 2013

2. Agenda 1. Take up homework 2. Pythagorean Theorem Review 3. Angle Properties Review 4. Practice

3. Learning Goal By the end of the lesson… … students will be able to calculate an unknown side on a right triangle … students will be able to use angle properties and algebra to calculate unknown angles

4. Curriculum Expectations Course – not applicable (prior review) Ontario Catholic School Graduate Expectations: The graduate is expected to be… a self-directed life long learner who CGE4f applies effective… problem solving… skills

5. Mathematical Process Expectations Problem solving – select, (and) apply… a variety of problem-solving strategies

6. Pythagorean Theorem Review 7 cm 5 cm c A B C

7. Pythagorean Theorem Review 5 cm 3 cm c A B C

8. Pythagorean Theorem Review 4 cm a 5 cm A B C

9. Pythagorean Theorem Review 7 cm a 8 cm A B C

10. Angle Properties Let’s review the angle properties for: Alternate angles Corresponding angles Co-interior angles Opposite Angles

11. 21 34 78 65  4 =  6  3 =  5

12. 21 34 78 65  3 =  7  4 =  8  2 =  6  1 =  5

13. 21 34 78 65  3 =  7  4 =  8  2 =  6  1 =  5

14. 21 34 78 65  3 +  6 = 180   4 +  5 = 180 

15. … are equal

16. 25◦ 110◦

18. Review Day 4 Practise P.31 #1ac P.32 #3 & 5 P.34 #1 P.40 #6a