1. Practice examples  BEST TUESDAY EVER!!!!!!!!
30 – 60 – 90 & 45 –
Practice examples 
BEST TUESDAY EVER!!!!!!!!

2. 1
Triangles – Find x & h
x = 2√3
h = 4
30°
60° h 2 x

3. 3
Triangles – Find x & h
x = 2√6
h = 4√2
30°
60° h
2√2 x

4. 4
Triangles – Find x & h
x = 14√3
h = 28
30°
60° h 14 x

5. 8
Triangles – Find X
x = 11√2 x 11

6. 9
Triangles – Find X
x = 1.5√10 Or
3√10 2
3√5 x

7. 5
Triangles – Find y & h
y = 3√3
h = 6√3
30°
60° h y 9

8. 6
Triangles – Find X
5√2
x = 10 x

9. 7
Triangles – Find X
x = 6√6 x
6√3

10. 11
Triangles – Find X
x = 4√2 8 x

11. 7
Triangles – Find x & y
y = 3√3
x = 9
30°
60° x
6√3 y

12. 6
Triangles – Find y & h
30°
60°
y = 4√6
h = 8√6
12√2 h y

13. 8
Triangles – Find y & h
y = 11
h = 22
30°
60° h
11√3 y

14. 10
Triangles – Find X
x = 13 13 x

15. 9
Triangles – Find x & y
y = 1.5√5 Or
3√5 2
x = 1.5√15
3√15
30°
60°
3√5 x y

16. 11
Triangles – Find x & y
y = 4
x = 4√3
30°
60° 8 y x

17. 2
Triangles – Find X
x = 6√2 12 x

18. 1
Triangles – Find X
x = 2√2 x 2

19. 12
Triangles – Find x & y
y = 10
x = 10√3
30°
60° 20 y x

20. 13
Triangles – Find x & h
30°
60°
x = 42
h = 28√3 h
14√3 x

21. 2
Triangles – Find x & y
y = 6
x = 6√3
30°
60° 12 y
30° x

22. 16
Triangles – Find x & h
x = √3 2
h = 1
30°
60° x h

23. 10
Triangles – Find x & h
x = 13√3
h = 26
30°
60° h 13 x

24. 14
Triangles – Find x & y
y = 8
x = 8√3
30°
60° 16 y x

25. 15
Triangles – Find x & y
y = 5√2
x = 5√6
30°
60°
10√2 x y

26. 17
Triangles – Find x & y
y = 15
x = 15√3
30°
60° 30 y x

27. 5
Triangles – Find X
x = 7√2 x 7

28. 3
Triangles – Find X
x = 2 x
2√2

29. 4
Triangles – Find X
x = 7√2 14 x

30. 18
Triangles – Find x & h
x = √3
h = 2
30°
60° h 1 x

31. And we’re done…  Good Job – Thank you for all your hard work today!
Looking forward to tomorrow – remember HOMEWORK is due on Thursday!