WorksheetsUnit 8 Exam 1st Hour
Total questions: 32
Worksheet time: 8hrs 0mins
Name
Class
Date
1.
Solve.
a)
-14
b)
-7
c)
9
d)
54
2.
Solve.
a)
-146
b)
-56
c)
80
d)
90
3.
A 12-ounce bottle of shampoo lasts Enrique 16 weeks. How long would you expect an 18-ounce bottle of the same brand to last him?
a)
24 Weeks
b)
24-ounce bottle
c)
10.6 Weeks
d)
10.6-ounce bottle
4.
About 13 out of 20 homes have a personal computer. On a street with 60 homes, how many computers would you expect to have?
a)
39 Computers
b)
4.3 Homes
c)
39 Homes
d)
4.3 Computers
5.
Which of the following are correct? (Mark all the apply)
a)
∠C ≌∠Y
b)
∠F ≌ ∠W
c)
CH ∼ YW
d)
HF ∼ SY
e)
∠ W ≌ ∠H
6.
Are these two triangles similar? Why or why not?
a)
Yes, they are both triangles
b)
Yes, they both have right angles
c)
No, they only have one congruent angle
d)
No, they look different
7.
What is the correct value of x?
a)
x = 5
b)
x = 7
c)
x = 9
d)
x = 11
8.
∆ABC∼∆DEF, what is the scale factor of ∆ABC to ∆DEF?
a)
⅗
b)
5/3
c)
⅘
d)
5/4
9.
When figures are similar, their corresponding sides are__________________.
a)
congruent
b)
proportional
c)
invisible
10.
When figures are similar, their corresponding angles are__________________.
a)
congruent
b)
proportional
c)
yellow
d)
obtuse
11.
Choose the similarity statement for the triangles.
a)
ΔMNL ∼ ΔOPQ
b)
ΔNOM ∼ ΔPQL
c)
ΔLMN ∼ ΔPQO
d)
ΔMLN ∼ ΔPQO
12.
Find side length X.
a)
16
b)
18
c)
2.4
d)
15
13.
Find side length X.
a)
30
b)
25
c)
15
d)
40
14.
Which triangles are similar to triangle A?
a)
B
b)
C
c)
Both
d)
None
15.
What similarity theorem would prove that these triangles are similar?
a)
SAS∼
b)
SSS∼
c)
AA∼
d)
Side Splitter
16.
Determine whether the triangles are similar by AA~, SSS~, SAS~, or not similar.
a)
SSS
b)
AA
c)
SAS
d)
not similar
17.
Complete each proportion.
AB / BM = ? / CD
AB / BM = ? / CD
a)
BC
b)
AC
c)
MD
d)
MC
18.
Given that Triangle ABC is similar to Triangle DEF. Find the angle B.
a)
60⁰
b)
42⁰
c)
79⁰
d)
180⁰
19.
What is the measure of x?
a)
12
b)
15
c)
6
d)
9
20.
The triangles are similar, solve for the question mark.
a)
8
b)
12.5
c)
18
d)
24
21.
To measure the distance across a pond, a surveyor locates points A, B, C, D, and E as shown. What is AB to the nearest meter?
a)
10
b)
12
c)
15
d)
18
22.
Find side length X.
a)
22.5
b)
10
c)
9
d)
7.5
23.
Find the missing length indicated.
a)
6
b)
10
c)
5
d)
12
24.
Find the missing length indicated.
a)
30
b)
25
c)
45
d)
50
25.
Find the missing length indicated.
a)
16
b)
8
c)
10
d)
14
26.
Find x.
a)
54/7
b)
56/3
c)
11
d)
21/2
27.
Find the missing length.
a)
8
b)
23
c)
11
d)
16
28.
Which of the following is NOT true about similar figures?
a)
A) Similar figures always have the same shape.
b)
B) Similar figures always have the same size.
c)
C) Similar figures always have corresponding angles that are equal.
d)
D) Similar figures always have corresponding sides that are proportional.
29.
a)
6.25
b)
5.5
c)
6
d)
5.75
30.
A tree is 12 feet tall and casts a shadow 9 feet long. A building nearby casts a shadow that measures 24 feet. How tall is the building? (Draw a picture, set up a proportion)
a)
24 feet
b)
21 feet
c)
27 feet
d)
32 feet
31.
Find the width of the river. (d)
a)
28.8 feet
b)
500 feet
c)
45 feet
d)
0.002 feet
32.
a)
5
b)
10
c)
12
d)
15
100 %
