1. Radical, Dude Thou shall not leave perfect squares under the radical!
Thou shall not leave partial perfect squares under the radical!
Thou shall not leave fractions under a radical!
Thou shall not leave radicals in the denominator!

2. Geometric Mean
Geometric Mean – for any positive numbers a and b, the positive number x such that:
b, x can not equal zero

3. Geometric Mean/Similar Trianglesb x z y c
a=5, b=12

4. Special Right Triangles
30 2x x x x

5. Trigonometry
54
Hypotenuse
Adjacent Side
Opposite Side

6. How do I remember all this?C A T
Some
Old
Horse
Caught
Another
Taking
Oats
Again
Sin
Opp
Hyp
Cos
Adj
Tan

7. Example

8. Example

9. Example

10. Example

11. Agenda Concept Review Homework Review Practice, Practice, Practice
Flatland – 0 to 3 dimensions – Euclidean Geometry
Edwin A Abbott – Headmaster
1884
Flatterland – Euclidean & Non-Euclidean, Physics
Ian Stewart
2001

12. Example

13. 8-3 Enrichment

14. 8-3 Study Guide

15. 8-3 Practice

16. 8-3 Practice

17. 8-3 Practice

18. 8-3 Practice Quiz

19. Practice Quiz

20. Practice Quiz

21. 8-4 Study Guide

22. 8-4 Practice

23. 8-4 Practice

24. Example

25. Practice…

26. Practice…

27. Homework Chapter 8 Cumulative Review Chapter 8 Practice Test
Apollo 11 Extra Credit

28. Answers Ahead

29. Fill in the missing Information.C a b x B A z y c a b c x y z 9 7 10 4 12 8 15 18

30. Fill in the missing Information.b c 3 4 12 13 8 17 7 25 5 15

31. Fill in the missing Information.b c 5 7 9 45

32. Fill in the missing Information.b c 3 10 15 60