Name_____________________
CHAPTER 7 REVIEW
Find the unknown side length x.
1.
2.
Tell whether the given side lengths of a triangle can represent a right triangle.
3.
4.
15, 36, 39
3, 4 , 5
Tell whether the given side lengths of a triangle represent an acute, right, or obtuse
triangle.
5.
7, 8, 10
6.
11, 12, 20
Complete the proportion.
7.
SR SU

SU
?
8.
S
E
ED DG

DG
?
D
R
U
G
T
Find the unknown side length x.
9.
10.
Find the value of each variable. Write your answers in simplest radical form.
11.
12.
F
Use triangle ABC to find the following trigonometric ratios. Leave your answers in
fractional form.
13.
sin A
14.
cos A
15.
tan A
16.
sin B
17.
cos B
18.
tan B
Find the value of x. Round decimal answers to the nearest tenth.
19.
20.
Find the value of P. Round decimal answers to the nearest tenth.
21.
23.
22.
The shadow of the football goalpost is 30 feet long. The angle of elevation from
the end of the shadow to the top of the goalpost is 38º. What is the height of the
goalpost?
Solve the right triangle. Round decimal answers to the nearest tenth. You should get
three answers for each problem.
24.
25.