1. Chapter 8 Test is on Tuesday March 11th !!!
Chapter 8 Test Review
By: L. Keali’i Alicea
Chapter 8 Test is on Tuesday March 11th !!!

2. Simplify:

3. Simplify:

4. Simplify:

5. Find the geometric mean between the following numbers in simplest form
Find the geometric mean between the following numbers in simplest form. a) 12 and 10

6. Refer to the diagram to find each value in simplest form.
If a=4 and b = 25, find h.
If x=9 and PR = 27, find a.
If a= 6 and PR= 24, find b. y x
h= 10
a =
b= 18

7. Use the right triangle shown to find each value in simplest form.
If a=7 and b=5, find c.
If a=12 and c=25, find b.
If a= and b= , find c. c= b=

8. State whether the triangle with sides of the given length is acute, right, or obtuse.
10, 8, 7
6,4,
9, 11, 6
Acute
Right
Obtuse

9. Find each value in simplest form.
If c= 60, a=____ b=____?
60o a=
b= 30

10. Find each value in simplest form.
If a= 20, b=____ c=____?
45o
b= 20 c=

11. Find x
Solution:
X= 18 60 X 60

12. The diagonals of a rhombus have lengths 6 and 8
The diagonals of a rhombus have lengths 6 and 8. Find the length of a side in simplest form.
Solution: 5

13. The vertex angle of an isosceles triangle is 120o
The vertex angle of an isosceles triangle is 120o . The base length is 24. Find the length of the altitude to the base in simplest form.
Solution:
120

14. Refer to the diagram for the following questions.
sin R=
cos R=
tan R=
sin T=
cos T=
tan T= T 5 R 4
3/5
4/5
3/4
4/3

15. From the top of a lighthouse 18m high, the angle of depression to see a boat is 4o. What is the distance between the boat and the base of the lighthouse?
Solution:
About 250m

16. If you can do all these problems then you should have no problems on the test!
If you are having problems click here.