Quiz about Similarity

Question 1

Solve for the variable x.

Accepted Answer

x = 8.5

Answer

x = 10

Answer

x = 1

Answer

x = 2

Question 2

The pair of figures is similar. Find the missing side.

Accepted Answer

x = 3

Answer

x = 1

Answer

x = 9

Answer

x = 5

Question 3

What is the scale factor from ABCD to MNOP?

Accepted Answer

2/3

Answer

3/2

Answer

2

Answer

3

Question 4

Solve for x

Accepted Answer

12

Answer

18

Answer

6.75

Answer

85.3

Question 5

The triangles are similar by...

Accepted Answer

SSS

Answer

SAS

Answer

AA

Answer

ASA

Question 6

Find the value of x.

Accepted Answer

None of these

Answer

8

Answer

12

Answer

8.5

Question 7

Find the missing length indicated.

Accepted Answer

10

Answer

16

Answer

8

Answer

14

Question 8

If two figures are similar, the corresponding side lengths will be _____________.

Accepted Answer

Proportional

Answer

Similar

Answer

Congruent

Answer

None of the above

Question 9

If two figures are similar, the corresponding angles will be _____________.

Accepted Answer

Congruent

Answer

Similar

Answer

Proportional

Answer

None of the above

Question 10

The triangles are similar, solve for the question mark.

Accepted Answer

18

Answer

8

Answer

12.5

Answer

24

Question 11

In similar Polygons, corresponding sides are ___ and corresponding angles are ___. (Fill in the blanks)

Accepted Answer

proportional, congruent

Answer

congruent, proportional

Answer

congruent, congruent

Answer

proportional, proportional

Question 12

If the triangles are similar, state how.

Accepted Answer

Not similar

Answer

SSS

Answer

SAS

Answer

AA

Question 13

If two figures are similar their angles are______.

Accepted Answer

congruent

Answer

proportional

Answer

supplementary

Answer

complementary

Question 14

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?

Accepted Answer

72 feet

Answer

144 feet

Answer

36 feet

Question 15

Find the value of x.

Accepted Answer

x = 4.5

Answer

x = 9

Answer

x = 30

Answer

x = 3

Question 16

Find side length X.

Accepted Answer

10

Answer

22.5

Answer

9

Answer

7.5

Question 17

Find the endpoint of the segment with the endpoint of (-4, 5) and midpoint of (7, -9)

Accepted Answer

(18, -23)

Answer

(13, 18)

Answer

(11,4)

Answer

(1.5, -2)

Question 18

Find the point P that partitions the line segment AB given the ratio.
A (3, 5) B(4, 3) with the ratio 3:1

Accepted Answer

(3.75, 3.5)

Answer

(3.75, 2.5)

Answer

(4.75, 1.5)

Answer

(5.75, 1.5)

Question 19

Solve for x

Accepted Answer

11

Answer

16

Answer

13.9

Answer

15.3

Question 20

Solve for x

Accepted Answer

5

Answer

15

Answer

-5

Answer

2.1

Question 21

If two polygons are similar, then the corresponding side lengths are ___________.

Accepted Answer

proportional

Answer

congruent

Answer

similar

Answer

equal

Question 22

If two polygons are similar, then the corresponding angles are ___________.

Accepted Answer

congruent

Answer

similar

Answer

equal

Answer

proportional

Question 23

Gwen scans a photo that is 4 in. wide by 6 in. tall into her computer. If she scales the height down to 3 in., how wide should the similar photo be?

Accepted Answer

2 in.

Answer

3 in

Answer

4 in

Answer

1 in

Question 24

Tell whether the two figures are similar. Explain your reasoning. (Hint: are they proportional?)

Accepted Answer

No, not similar because they are the same shape, but side lengths are not proportional.

Answer

Yes, similar because they are the same shape and side lengths are proportional.

Answer

Yes, same shape

Answer

No, different sizes

Question 25

One property of similar triangles is that corresponding angles of two similar triangles are congruent. What is the second property of similar triangles?

Accepted Answer

Corresponding sides are equally proportional

Answer

Corresponding sides are congruent

Answer

Corresponding sides are unrelated

Answer

Corresponding sides are equal

Question 26

Find the proportion of DA/AB

Accepted Answer

2/10

Answer

2/8

Answer

10/2

Answer

2/5

Question 27

What is the ratio of triangle ABC to triangle EDC?

Accepted Answer

3:5

Answer

3:4

Answer

2:3

Answer

4:5

Question 28

Find the missing length indicated.

Accepted Answer

45

Answer

30

Answer

25

Answer

50

Question 29

Find the missing length indicated.

Accepted Answer

42

Answer

11

Answer

21

Answer

30

Question 30

Solve for x.

Accepted Answer

8

Answer

6

Answer

5

Answer

-8

Question 31

Solve for x.

Accepted Answer

10

Answer

7

Answer

14

Answer

5

Question 32

Find the value of x.

Accepted Answer

5

Answer

8

Answer

3

Answer

None of these

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