Geometry; 3/7

We spent some more time today going over how to work trig application problems.  We then reviewed 3-4 concepts together in preparation for the test tomorrow.  The bulk of the period was spent working on the chapter 8 review sheet.

Assignment:  chapter 8 review sheet

Right Triangles

1.  3 radical 10

2.  2 radical 3 over 3

3.  13

4.  25

5.  12 radical 2

6.  2 radical 11

7.  obtuse

8.  acute

9.  right

10.  x = 8 radical 3;  y = 4 radical 21;  z = 8 radical 7

11.  x = 7;  y = 7 radical 3

12.  x = 12

13.  x = 28

14.  x = 34

15.  34 degrees

Applications of Trigonometry

1.  26 m

2.  21 m

3.  51 m

4.  48 degrees

5.  135 m

6.  2400 m

7.  140 m

Practice 33;  Trigonometry

1.  radical 3 over 2

2.  1/2

3.  radical 3 over 1

4.  1/2

5.  radical 3 over 2

6.  radical 3 over 3

7.  .9397

8.  .8480

9.  .2493

10.  77 degrees

11.  8 degrees

12.  61 degrees

13.  x = 27

14.  x = 17

15.  x = 51

16.  x = 11

17.  x = 26

18.  52 degrees

19.  a.  sketch    b.  150 m

page 301;  CE  #1-9  special right triangle practice

1.  6 radical 2

2.  10

3.  6 radical 2

4.  10

5.  6.5

6.  3 radical 3

7.  4 radical 2

8.  10 radical 3

9.  9 radical 2