 QUIZ
Similar Triangles
5 years ago by 45 questions Q.

Yes, they are similar by SAS.

No, they're not similar.

Yes, they're similar by AA

Yes, they are similar by SSS.

Q. Two objects that are the same shape but not the same size are _______.
Congruent
Vertical
Similar
Complementary
Q. All angles in similar figures are congruent.
True
False
Q. A triangle has sizes measuring 11 cm, 16 cm, and 16 cm. A similar triangle has sides measuring x cm, 24 cm, and 24 cm. What is x?
x = 19 cm
x = 24 cm
x = 3 cm
x = 16.5 cm Q.
10
14
4
9 Q.
144
18
72
12 Q.

Yes, they're similar by AA.

Yes, they are similar by SAS.

No, they're not similar.

Yes, they are similar by SSS.

Q. Two shapes that are similar are also congruent
True
False
Q. Two shapes that are congruent are also similar
False
True
Q. All squares are similar
True
False Q. Are the triangles similar?
Not similar.
Yes, similar by AA.
Yes, similar by SAS.
Yes, similar by SSS. Q. Are the triangles similar?
No, not similar.
Yes, similar by AA.
Yes, similar by SAS.
Yes, similar by SSS. Q. Is ∆EFG∼∆LMN?
No, not similar.
Yes, similar by AA.
Yes, similar by SSS.
Yes, similar by SAS. Q. Solve for x.
10.5
5
8.5
6 Q. Are the triangles similar?
Yes, similar by SSS.
Yes, similar by AA.
No, not similar.
Yes, similar by SAS. Q. A tree is 12 feet tall and casts a shadow 9 feet long. A building nearby casts a shadow that measures 21 feet. How tall is the building? (Draw a picture, set up a proportion)
16 ft.
24 ft.
21 ft.
28 ft.
Q.

All corresponding sides are proportional (same scale factor) in similar figures.

True.

False. Q.

The triangles are similar. Solve for the question mark.

8

12.5

18

24 Q. Solve for 'f'.
4
6
8
3 Q. The pair of figures is similar. Find the missing side.
x = 12
x = 3
x = 40
x = 4 Q. To find the height of a very tall pine tree, you place a mirror on the ground and stand where you can see the top of the pine tree.  How tall is the tree?
144 feet
72 feet
36 feet
48 feet
Q. A picture of a school’s mascot is 18 in. wide and 24 in. long. It is enlarged proportionally to banner size. If the width is enlarged to 54 in., what is the length of the banner?
72 in
60 in
62 in
80 in Q.

Solve for x.

1/24

1/28

28

12 Q.
4 ft
6.25 ft
1.25 ft
5.75 ft Q. Identify the transformation from ABC to A'B'C'.
90o clockwise rotation
90o counter clockwise rotation
Reflection across the y-axis
Reflection across the x-axis Q. Are the triangles similar?
Yes, by AA
Not similar
Yes, by SAS
Yes, by SSS Q. 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?
10
12
15
18 Q. In what year was the first Superbowl played?
1958
1962
1951
1967
Q. What is the midpoint between (3, -1) and (7, -5)
(5, -2)
(10, -6)
(5, -3)
(2, -2) Q. Choose the correct scale factor:
2
3
1/3
1/2 Q.

Complete each proportion.

CB / DM = AC / ?

DC

MA

BC Q.

Complete each proportion.

AB / AM = ? / DM

BC

AC

MD

MC Q.

Determine if the triangles are similar. If so find the scale factor.

Yes, by SAS. Scale factor is 3/2

Yes, by SAS. Scale factor is 1/2

Yes, by SAS. Scale factor is 3/1

No, not similar. Q.

If the triangles ARE similar by AA, finish the similarity statement.

TUV

VUT

UVT

TVU Q. Find side length X.
16
18
2.4
15 Q. Find side length X.
22.5
10
9
7.5 Q.

Determine whether the triangles are similar by AA~, SSS~, SAS~, or not similar.

AA

SAS

SSS

Not Similar Q.

Are the triangles similar? If so, how?

AA

SAS

SSS

Not Similar Q.

What is the scale factor of these similar shapes?

10

7

9

11 Q.

Find the missing side of the large triangle, then, find the PERIMETER of the large triangle.

the missing side is 12, the perimeter is 24

the missing side is 12, the perimeter is 36

the missing side is 8, the perimeter is 36

the missing side is 12, the perimeter is 12

Q. A power pole 10 m 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?
9 m
15.2 m
12 m
17.5 m Q. Choose the similarity statement for the triangles.
ΔMNL ∼ ΔOPQ
ΔNOM ∼ ΔPQL
ΔLMN ∼ ΔPQO
ΔMLN ∼ ΔPQO Q.

Are the triangles similar? If so, how?

Similar by AA

Similar by SAS

Similar by SSS

Not similar Q.

Given that Triangle BAC is similar to Triangle EDF. Find the angle ABC.

45

22

113

18 Q. 