Exam
Name___________________________________
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Find the measures of the marked angles.
1)
l1 and l2 are parallel.
(4x + 5)°
(3x + 29)°
1)
A)
112°, 92°
B)
131°, 131°
C)
73°, 131°
D)
112°, 112°
Solve the problem.
2)
Find the sum of the interior angles of an 8–sided polygon.
2)
A)
1080°
B)
1440°
C)
180°
D)
900°
Perform the indicated operations.
3)
Add 78.84 + 4.203 + 3.464 + 2.97.
3)
A)
89.577
B)
89.477
C)
89.487
D)
90.477
Find the complementary angle of the following.
4)
83°
4)
A)
277°
B)
187°
C)
7°
D)
97°
Perform the indicated operations.
5)
Divide 10.27 by 7.9.
5)
A)
0.13
B)
1.3
C)
13
D)
2.3
The figures are similar. Find the length of the side marked x.
6)
75 725
72 24
6)
A)
21
B)
28
C)
7
D)
12
Perform the indicated operations.
7)
Subtract 0.551 from 44.
7)
A)
44.551
B)
43.449
C)
42.949
D)
43.549
Name the polygon.
8)
8)
A)
heptagon
B)
quadrilateral
C)
hexagon
D)
octagon
Find the measures of each numbered angle. Assume that l1 is parallel to l2.
9)
111°
37°
9)
A)
1 =
3 =
6 =
9 =69°,
2 =111°,
4 =
5 =
8 =37°,
7 =
10 =74°
B)
1 =
3 =
6 =
9 =143°,
2 =111°,
4 =
5 =
8 =74°,
7 =
10 =69°
C)
1 =
3 =
4 =
5 =69°,
2 =111°,
6 =
9 =
8 =37°,
7 =
10 =74°
D)
1 =
3 =
6 =
9 =143°,
2 =111°,
4 =
5 =
8 =37°,
7 =
10 =69°
Given the set of parallel lines cut by a transversal shown here, determine the measure of the indicated angle.
10)
18°
Find the measure of
7.
10)
A)
108°
B)
72°
C)
162°
D)
172°
Convert the decimal to a percent.
11)
1.05
11)
A)
10.5%
B)
0.0105%
C)
0.105%
D)
105%
Round as indicated.
12)
Round 8.7839 to hundredths.
12)
A)
8.79
B)
8.784
C)
8.78
D)
8.783
Solve the problem.
13)
Find the sum of the interior angles of a heptagon.
13)
A)
900°
B)
180°
C)
1260°
D)
720°
Identify the triangle as acute, obtuse, or right. Also, identify the triangle as isosceles, equilateral, or scalene. Sides equal
in length are marked.
14)
14)
A)
acute, scalene
B)
acute, isosceles
C)
obtuse, isosceles
D)
obtuse, scalene
Find the measure of the angle given that
ABC
DEF.
15)
m
DEF
15)
A)
ACB
B)
CAB
C)
ABC
Find the complementary angle of the following.
16)
22°
16)
A)
158°
B)
123°
C)
63°
D)
68°
Find the supplementary angle of the following.
17)
52°
17)
A)
142°
B)
48°
C)
38°
D)
128°
Identify the triangle as acute, obtuse, or right. Also, identify the triangle as isosceles, equilateral, or scalene. Sides equal
in length are marked.
18)
18)
A)
right, equilateral
B)
acute, equilateral
C)
acute, scalene
D)
right, isosceles
The angles are complementary angles. Find the measure of each angle.
19)
19)
A)
17° and 34°
B)
60° and 120°
C)
27° and 63°
D)
15° and 30°
Find the measures of each marked angle.
20)
(27x + 42)°
(23x + 38)°
20)
A)
135°, 153°
B)
135°, 115°
C)
177°, 153°
D)
177°, 115°
Quadrilaterals ABCD and A’B’C’D‘ are similar figures. Find the length of the side.
21)
side A’D’
21)
A)
10
B)
15
C)
5
D)
12
The angles are complementary angles. Find the measure of each angle.
22)
22)
A)
15° and 30°
B)
30° and 60°
C)
17° and 34°
D)
60° and 120°
Classify the angle as acute, right, straight or obtuse.
23)
23)
A)
acute
B)
right
C)
obtuse
D)
straight
Perform the indicated operations.
24)
Subtract 3.695 from 4.2.
24)
A)
2.000
B)
0.505
C)
1.505
D)
0.695
Classify the angle as acute, right, straight or obtuse.
25)
25)
A)
right
B)
acute
C)
obtuse
D)
straight
Find the measures of each marked angle.
26)
(19x – 28)° (9x + 52)°
26)
A)
72°, 124°
B)
124°, 124°
C)
124°, 152°
D)
72°, 152°
Solve the problem.
27)
Find 75% of 72.
27)
A)
6
B)
9.6
C)
54
D)
540
Find the complementary angle of the following.
28)
641
4°
28)
A)
90°
B)
253
4°
C)
1153
4°
D)
26°
The figures are similar. Find the length of the side marked x.
29)
16 24
12 18
24
29)
A)
32
B)
24
C)
40
D)
30
Find the supplementary angle of the following.
30)
141°
30)
A)
231°
B)
129°
C)
219°
D)
39°
Convert the percent to a decimal.
31)
1.8%
31)
A)
1.8
B)
0.18
C)
0.018
D)
18.0
The angles are complementary angles. Find the measure of each angle.
32)
13x° 3x°
32)
A)
68.125° and 21.875°
B)
73.125° and 16.875°
C)
36.56° and 8.44°
D)
146.25° and 33.75°
Find the supplementary angle of the following.
33)
1491
4°
33)
A)
303
4°
B)
31°
C)
180°
D)
591
4°
Solve the problem.
34)
Find the measure of angle 1 in the figure shown.
34)
A)
60°
B)
50°
C)
80°
D)
70°
Find the supplementary angle of the following.
35)
96.7°
35)
A)
84.7°
B)
83.3°
C)
84°
D)
6.7°
Quadrilaterals ABCD and PQRS are congruent. Find the measure of the angle.
36)
m
QRS
36)
A)
135°
B)
45°
C)
80°
D)
100°
Convert the percent to a decimal.
37)
81%
37)
A)
0.081
B)
81.0
C)
8.1
D)
0.81
Perform the indicated operations.
38)
Multiply 18.7 ×6.22.
38)
A)
11.6314
B)
1.16314
C)
116.314
D)
1163.14
The angles are supplementary angles. Find the measure of each angle.
39)
2x° 8x°
39)
A)
36° and 144°
B)
72° and 288°
C)
41° and 139°
D)
18° and 72°
Convert the decimal to a percent.
40)
5.7
40)
A)
0.57%
B)
57%
C)
570%
D)
0.0057%
Solve the problem.
41)
A vehicle parked on the street that is 2 feet tall casts a shadow 8 feet long. At the same time, a
house nearby casts a shadow 88 feet long. Find the height of the house.
41)
A)
26 ft
B)
24 ft
C)
11 ft
D)
22 ft
The angles are supplementary angles. Find the measure of each angle.
42)
10x° 8x°
42)
A)
100° and 80°
B)
200° and 160°
C)
50° and 40°
D)
95° and 85°
12
Find the measure of an interior angle of the regular polygon.
43)
quadrilateral
43)
A)
135
B)
180
C)
225
D)
90
Solve the problem.
44)
A flagpole casts a shadow of 27 ft. Nearby, a 10–ft tree casts a shadow of 3 ft. What is the height of
the flag pole?
44)
A)
90 ft
B)
810 ft
C)
1.1 ft
D)
8.1 ft
Perform the indicated operations.
45)
Multiply 0.06 ×0.8.
45)
A)
4.8
B)
0.48
C)
0.0048
D)
0.048
Find the supplementary angle of the following.
46)
55°
46)
A)
215°
B)
125°
C)
305°
D)
35°
Convert the decimal to a percent.
47)
0.04
47)
A)
40%
B)
0.004%
C)
0.4%
D)
4%
Solve the problem.
48)
A certain county charges 4% sales tax. Find the sales tax on a stereo that cost $610 and the total cost
of the stereo, including tax. Round answers to the nearest cent.
48)
A)
$244.00, $854.00
B)
$18.30, $628.30
C)
$24.40, $634.40
D)
$30.50, $640.50
49)
Find 12% of 31.
49)
A)
372
B)
37.2
C)
0.372
D)
3.72
D
The angles are complementary angles. Find the measure of each angle.
50)
8x° 10x°
50)
A)
45° and 45°
B)
80° and 100°
C)
40° and 50°
D)
20° and 25°
C
Convert the percent to a decimal.
51)
2%
51)
A)
0.2
B)
0.02
C)
20.0
D)
2
B
C
The angles are supplementary angles. Find the measure of each angle.
52)
8x° 7x°
52)
A)
91° and 89°
B)
192° and 168°
C)
48° and 42°
D)
96° and 84°
Perform the indicated operations.
53)
Divide 7.4925
4.05 .
53)
A)
0.05405405
B)
0.54054054
C)
1.85
D)
18.5
Solve the problem.
54)
A certain county charges 6% sales tax. Find the sales tax on a portable phone that cost $403 and the
total cost of the phone, including tax. Round answers to the nearest cent.
54)
A)
$20.15, $423.15
B)
$241.80, $644.80
C)
$24.18, $427.18
D)
$28.21, $431.21
Perform the indicated operations.
55)
Add 75.46 + 75.96 + 46.084.
55)
A)
197.504
B)
197.514
C)
197.604
D)
198.504
15
Name the polygon.
56)
56)
A)
quadrilateral
B)
heptagon
C)
pentagon
D)
hexagon
Find the length of the side given that
ABC
DEF.
57)
the length of side AB
57)
A)
length of side EF
B)
length of side DF
C)
length of side DE
Quadrilaterals ABCD and PQRS are congruent. Find the length of the side.
58)
the length of side QR
58)
A)
6
B)
7
C)
5
D)
17
Solve the problem.
59)
130°60°
Find the measure of angle 1.
59)
A)
80°
B)
165°
C)
175°
D)
170°
Identify the triangle as acute, obtuse, or right. Also, identify the triangle as isosceles, equilateral, or scalene. Sides equal
in length are marked.
60)
60)
A)
acute, scalene
B)
obtuse, equilateral
C)
obtuse, isosceles
D)
obtuse, scalene
Pentagons ABCDE and A‘B’C’D’E’ are similar figures. Find the measure of the angle.
61)
BAE
61)
A)
50°
B)
140°
C)
120°
D)
130°
The figures are similar. Find the length of the side marked x.
62)
20
30 25
62)
A)
37.5
B)
24
C)
26
D)
16.67
Solve the problem.
63)
Find the measure of an interior angle of the regular polygon.
63)
A)
135°
B)
108°
C)
120°
D)
180°
The figures are similar. Find the length of the side marked x.
64)
17 x 7
2
64)
A)
4.9
B)
0.8
C)
59.5
D)
238
Classify the angle as acute, right, straight or obtuse.
65)
65)
A)
obtuse
B)
straight
C)
acute
D)
right
The figures are similar. Find the length of the side marked x.
66)
42
4
66)
A)
4.04
B)
4
C)
2
D)
8
Convert the percent to a decimal.
67)
42.5%
67)
A)
42.5
B)
4.25
C)
0.0425
D)
0.425
Classify the angle as acute, right, straight or obtuse.
68)
68)
A)
obtuse
B)
straight
C)
right
D)
acute
Round as indicated.
69)
Round 14.444 to tenths.
69)
A)
14.3
B)
14.44
C)
14.4
D)
14.5
Find the complementary angle of the following.
70)
40.2°
70)
A)
50.2°
B)
139.8°
C)
49.8°
D)
90°
Identify the triangle as acute, obtuse, or right. Also, identify the triangle as isosceles, equilateral, or scalene. Sides equal
in length are marked.
71)
71)
A)
obtuse, scalene
B)
acute, scalene
C)
right, isosceles
D)
right, scalene
Answer Key
Testname: C11
Answer Key
Testname: C11