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S&S Unit Quest Review

Total questions: 40

Worksheet time: 10hrs 47mins

Name
Class
Date
1.
Are the following similar? Why or why not?
a)
Yes
b)
No, the corresponding angles are not equal.
c)
No, the ratios of the corresponding sides are not equal.
2.
Are the following similar? Why or why not?
a)
Yes
b)
No, the corresponding angles are not equal.
c)
No, the ratios of the corresponding sides are not equal.
3.
If the scale factor is less than 1, it's getting ....
a)
smaller
b)
bigger
4.
If the scale factor is more than 1 it's getting
a)
smaller
b)
bigger
5.
What is the measurement of x?
a)
21
b)
1.25
c)
20
d)
4
6.
What is the measurement of x?
a)
20 m
b)
24 m
c)
16 m
d)
4 m
7.
Solve for x.
a)
12
b)
18
c)
9
d)
36
8.
Find the height of the tree.
a)
8 ft
b)
12 ft
c)
13 ft
d)
15 ft
9.
Solve for f.
a)
6
b)
4
c)
3
d)
8
10.
If a 42.9 ft tall statue casts a 253.1 ft long shadow then how long is the shadow that a 6.2 ft tall man casts?
a)
41.7 ft
b)
36.6 ft
c)
34.6 ft
d)
38.8 ft
11.

A flag pole 10 meters tall casts a shadow 8 meters long, at the same time that a building nearby casts a shadow 14 m long. How tall is the building?

a)

9 m

b)

15.2 m

c)

12 m

d)

17.5 m

12.
<P ~ _____
a)
<Q
b)
<S
c)
<R
d)
<T
13.
The triangles are similar.  What is the measure of side "a"
a)
22
b)
24
c)
14
d)
13.5
14.
The triangles are similar.  What is the length of side "b"?
a)
30
b)
18
c)
35
d)
32
15.
The scale of a map is 1cm equals=70 km. What is the actual distance between two towns that are 3 cm apart on the​ map?
a)
210 km
b)
240 km
c)
35 km
d)
300 km
16.
Use similar triangles and a proportion to find the length of the lake shown here.
a)
53 m
b)
96 m
c)
106 m
d)
54 m
17.
What is the scale factor if the triangle on the left is the original?
a)
2
b)
3/2
c)
2/3
d)
1/2
18.
What is the scale factor from ABC to DEF?
a)
1/2
b)
7/3
c)
2
d)
10/3
19.
What is the scale factor from rectangle 1 to rectangle 2? 
a)
2.5
b)
3
c)
2
20.
a)
205
b)
105
c)
230
d)
135
21.
a)
15
b)
13
c)
11
d)
17
22.
a)
74
b)
100
c)
104
d)
108
23.
Matching angles are called
a)
Corresponding Sides
b)
Corresponding Angles
c)
The Same
d)
Congruent Angles
24.
Matching sides are called
a)
Corresponding Sides
b)
Corresponding Angles
c)
The Same
d)
Congruent Sides
25.
All angles in similar figures are congruent.  
a)
True
b)
False
26.
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
27.
On a map, if one centimeter represents 25 kilometers, how many kilometers does 7 centimeters represent?
a)
175
b)
185
c)
200
d)
220
28.

The Perimeter from A to B is x5, what is the Scale Factor?

a)

x25

b)

x10

c)

x5

d)

x1

29.

If the perimeter of the original figure is 10in, and we know the Scale Factor is x4, what is the perimeter of the new figure?

a)

10 in

b)

40 in

c)

400 in

d)

100 in

30.

If SF = x6, A=x______

a)

36

b)

6

c)

12

d)

16

31.

If SF = x 3/5, A = x ______

a)

3/5

b)

6/10

c)

6/25

d)

9/25

32.

Write 250% as a decimal

a)

2.50

b)

.250

c)

250

d)

25.0

33.

Write 400% as a decimal

a)

.400

b)

40.0

c)

4

d)

400

34.

Write 35% as a decimal

a)

3.5

b)

35

c)

0.35

d)

0.035

35.

Mrs. Tinsley wants to shrink a photo (10in by 12 in) to 25% of its size. What are the new dimensions?

a)

2.5in by 3in

b)

25 in by 30 in

c)

5in by 6in

d)

It will not change the dimensions

36.

Mrs. Tinsley wants to enlarge a photo (10in by 12in) to 400% of its original size. What are the new dimensions?

a)

It will not change the dimensions

b)

2 in by 3 in

c)

40in by 48in

d)

20 in by 24 in

37.

Which is not a condition for similarity?

a)

Same Shape

b)

Corresponding angles are congruent

c)

Perimeters are the same size

d)

Ratio of corresponding sides are equal

38.

Solve the following proportion: x/7=2/3

a)

4 2/3

b)

4.3

c)

10.5

d)

4.6

39.

Mrs. Tinsley applies a Scale Factor of 300%, how will this effect the area of the new photo?

a)

x600

b)

x9

c)

x300

d)

x6

40.

What is the scale factor from a 2in by 4in photo to a 9in by 18in photo?

a)

x 2

b)

x4.5

c)

x3.5

d)

x3

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