1.
A name for the angle shown is ________.
A.
B.
C.
D.
Hint
2.
Classify
A.
acute scalene
B.
right scalene
C.
obtuse equilateral
D.
acute isosceles
Hint
3.
Find
in
.
A.
62°
B.
41°
C.
103°
D.
131°
Hint
4.
Determine whether the triangles are similar. Explain why or why not.
A.
yes;
y
= 55
B.
no;
y
= 65
C.
yes;
x
= 85
D.
no;
x
= 85
Hint
5.
Find the best integer estimate for
.
A.
-11
B.
-17
C.
-13
D.
-15
Hint
6.
Solve the equation 160 =
k
2
. Round your answer to the nearest tenth.
A.
40.0, -40.0
B.
25.3, -25.3
C.
7.2, -7.2
D.
12.6, -12.6
Hint
7.
Find the length of one leg of a right triangle if the length of the hypotenuse is 18 meters and the length of the other leg is 14 meters. Round to the nearest tenth.
A.
11.3 m
B.
14.3 m
C.
9.8 m
D.
22.8 m
Hint
8.
What is tan
B
? Round to the nearest ten thousandth.
A.
2.4000
B.
0.3846
C.
0.4167
D.
0.9231
Hint
9.
Use a calculator to find
Round your solution to the nearest tenth.
A.
-9.1
B.
8.9, -8.9
C.
-8.9
D.
-8.3
Hint
10.
Order
and 2.75 from least to greatest.
A.
B.
C.
D.
Hint
11.
A skateboarding ramp is constructed with an angle of elevation of 40°. Classify this angle.
A.
obtuse
B.
right
C.
acute
D.
straight
Hint
12.
Find the length of the hypotenuse of the right triangle.
A.
5625 cm
B.
105 cm
C.
75 cm
D.
15 cm
Hint
13.
Find the perimeter of
to the nearest tenth.
A.
8.1 units
B.
17.3 units
C.
18.5 units
D.
14.6 units
Hint
14.
Find the perimeter of
to the nearest tenth.
A.
20.9 units
B.
16.9 units
C.
25.7 units
D.
9.8 units
Hint
15.
If
what is the value of
x
?
A.
1.35
B.
2.42
C.
3.75
D.
6.67
Hint
16.
Find sin
C
to the nearest ten thousandths.
A.
0.447
B.
0.894
C.
0.5
D.
2.2371
Hint