Similar Triangles Answers

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1
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The triangles below are similar. Which similarity statements describe the relationship between the two triangles? Check all that apply.

Question illustration
A
Triangle P R S is similar to triangle X Y Z
Option A
B
Triangle R S P is similar to triangle Z X Y
Option B
C
Triangle S R P is similar to triangle X Z Y
Option C
D
Triangle P S R is similar to Triangle Z Y X
Option D
E
Triangle R P S is similar to triangle Z Y X
Option E
F
Triangle S P R is similar to triangle X Z Y
Option F
2
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Which best explains the relationship between the two triangles below?

Question illustration
A
because , , and .
Option A
B
because , , and .
Option B
C
is not similar to because is not congruent to .
Option C
D
is not similar to because , , and .
Option D
3

The triangles below are similar.Which similarity statement expresses the relationship between the two triangles?

Question illustration
A
Triangle X Y Z is similar to Triangle Q R S
Option A
B
Triangle X Y Z is similar to Triangle R Q S
Option B
C
Triangle Z X Y is similar to triangle Q S R
Option C
D
Triangle Z X Y is similar to triangle Q R S
Option D
6

best

Question illustration
A
Accurate. The triangles are similar and the congruent angles are listed in corresponding order.
I
Inaccurate. The triangles are not similar because the sum of the angles in each triangle is not 180º.
I
Inaccurate. The triangles are similar, but the triangles are named incorrectly. The vertices are listed out of corresponding order.
I
Inaccurate. The triangles are not similar because angle M is not congruent to angle H, and angle N is not congruent to angle G.
7

Mikel is determining if the two triangles below could be similar based on their side lengths. Which statements accurately describe the triangles? Check all that apply.

Question illustration
A
The common ratio between the triangles is 3 because .
Option A
B
The common ratio between the triangles is 2.5 because .
Option B
C
The triangles could be similar.
D
The triangles could not be similar.
E
The ratios of the side lengths are not consistent.
F
The ratios of the side lengths are consistent.
8

Westin is comparing the triangles below. He uses the similarity statement . Which best describes the accuracy of Westin’s statement?

Question illustration
A
Accurate. HG and LJ are proportional.
B
Inaccurate. HG and LJ are not corresponding sides.
C
Inaccurate. The sides are not proportional. There is no common ratio between the sides.
D
Inaccurate. The angles in the order listed do not correspond.
9

best

Question illustration
A
Accurate. Each pair of sides corresponds with a common ratio of 2.
A
Accurate. The description of each triangle begins at the same vertex.
I
Inaccurate. In the order listed, the ratio between each pair of sides is different.
I
Inaccurate. The description of the triangles in the similarity statement moves clockwise in one triangle and counterclockwise in the other triangle.
11

The triangles below are similar. Which similarity statements describe the relationship between the two triangles? Check all that apply.

Question illustration
A
Triangle P R S is similar to triangle X Y Z
Option A
B
Triangle R S P is similar to triangle Z X Y
Option B
C
Triangle S R P is similar to triangle X Z Y
Option C
D
Triangle P S R is similar to Triangle Z Y X
Option D
E
Triangle R P S is similar to triangle Z Y X
Option E
F
Triangle S P R is similar to triangle X Z Y
Option F
12

The triangles shown are similar. Which similarity statement expresses the relationship between the two triangles?

Question illustration
A
Triangle P R Q is similar to Triangle X W Y
Option A
B
Triangle P R Q is congruent to Triangle X W Y
Option B
C
Triangle P Q R is similar to Triangle W X Y
Option C
D
Triangle P Q R is congruent to triangle W X Y
Option D
13

Westin is comparing the triangles below. He uses the similarity statement . Which best describes the accuracy of Westin’s statement?

Question illustration
A
Accurate. HG and LJ are proportional.
B
Inaccurate. HG and LJ are not corresponding sides.
C
Inaccurate. The sides are not proportional. There is no common ratio between the sides.
D
Inaccurate. The angles in the order listed do not correspond.
14

The triangles below are similar. Which similarity statements describe the relationship between the two triangles? Check all that apply.

Question illustration
A
Triangle C B A is similar to triangle F E D
Option A
B
Triangle C B A is similar to triangle F D E
Option B
C
Triangle B A C is similar to triangle E F D
Option C
D
Triangle B A C is similar to triangle E D F
Option D
E
Triangle A B C is similar to triangle D E F
Option E
F
Triangle A B C is similar to triangle D F E
Option F
15

Which statements about the relationship between the two triangles below are true? Check all that apply.

Question illustration
A
Angle C is congruent to angle T
Option A
B
Angle C is congruent to angle S
Option B
C
Angle D is congruent to angle T
Option C
D
Triangle D C A is congruent to triangle T S R
Option D
E
Triangle D C A is similar to triangle T S R
Option E
F
Triangle C A D is similar to triangle T R S
Option F
G
Triangle C A D is congruent to triangle T R S
Option G
16

Lorie correctly determines that for the triangles below, the statement and the statement both describe the relationship between the two triangles. Which best describes why both similarity statements are correct?

Question illustration
A
Each triangle has two congruent angles: and .
Option A
B
Each triangle has two similar angles: and .
Option B
C
The triangles each have two given angle measures and one unknown angle measure.
D
All statements, regardless of the order of the vertices, define the same triangles.
17

The triangles shown are similar. Which side of triangle PQR corresponds to side LN in triangle MNL?

Question illustration
A
RQ
B
PQ
C
PR
D
LM
18

Shelly states that the triangles below are similar. Which proportion supports her statement?

Question illustration
A
StartFraction 8 Over 4 EndFraction = StartFraction 15 Over 10 EndFraction
Option A
B
StartFraction 8 Over 10 EndFraction = StartFraction 4 Over 20 EndFraction
Option B
C
StartFraction 6 Over 4 EndFraction = StartFraction 20 Over 10 EndFraction
Option C
D
StartFraction 8 Over 6 EndFraction = StartFraction 20 Over 15 EndFraction
Option D
19

The triangles below are similar. Which similarity statement expresses the relationship between the two triangles?

Question illustration
A
Triangle F G H is similar to Triangle K L J
Option A
B
Triangle F G H is congruent to Triangle K L J
Option B
C
Triangle F G H is similar to triangle J K L
Option C
D
Triangle F G H is similar to triangle J K L
Option D
20

What is the measure of the third angle in the similar triangles below?

Question illustration
A
25º
B
65º
C
85º
D
115º

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