1. Reviewing the Pythagorean Theorem
October 22, 2009

2. Objectives
Content Objectives Review the Pythagorean Theorem. Review the triangle unit. Language Objectives Everyone participates appropriately.

3. Extra Practice 30 - ANSWERS
1 . c = b = √288 ≈ b = b = a = a = √ 128 ≈ c = √ 272 ≈
8 . c = c = b = a = √ 180 ≈ b = √ 208 ≈ a = √ 7 ≈ c = √ 200 ≈ a = √ 108 ≈

4. Pythagoras Worksheet- ANSWERS
√41 ≈ 6.403
√ ≈ 7.295
√149 ≈
√81 = 9
√ ≈ 6.645
√ 3125 ≈
√89 ≈ 9.434
x=√231 ≈
y= impossible
9) x = √14.76 ≈ It will not reach 10) 2*6=12 11) ½ *√3 ≈ ) 10/2 = 5 13) On the next page…

5. 13) √75 ≈ 8.660

6. Review topics Special angle types Linear pair Vertical pair
Corresponding
Alternate interior
Same-side interior
Alternate exterior
Same-side exterior

7. Linear Pair

8. Vertical Pair

9. Corresponding angles

10. Same-side interior and alternate interior

11. Same-side exterior and alternate exterior

12. More review topics Types of triangles By angle type By side type Acute
Obtuse
Right
equiangular
By side type
Scalene
Isosceles
equilateral

13. By Angle Type

14. By side type

15. Even more review topics
Types of congruence
SSS
SAS
ASA
AAS HL
Similarity vs. congruence
Scale factor in similarity

16. Types of congruence

17. And even more review topics
Special segments in triangles
Angle bisector
Perpendicular bisector
Altitude
Median
The Pythagorean Theorem
Pythagorean triples
Special right triangles (30, 60, 90 and 45, 45, 90)

18. Special segments in triangles

19. Medians – vertex to mid-point

20. Angle bisector – cuts angles in half

21. Altitude – perpendicular, from vertex

22. Perpendicular bisector – perpendicular from the midpoint