Quiz about Similarity Ratios

Question 1

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 2

x=

Accepted Answer

8

Answer

3

Answer

1.5

Answer

2/3

Question 3

Find the missing length.

Accepted Answer

21

Answer

18

Answer

16

Answer

24

Question 4

A telephone booth that is 8ft tall casts a shadow that is 4ft long. Find the height of a lawn gnome that casts a 2ft shadow.

Accepted Answer

4 ft

Answer

2 ft

Answer

6 ft

Answer

8 ft

Question 5

What side corresponds with DE?

Accepted Answer

CA

Answer

AB

Answer

EC

Answer

BA

Question 6

The two right triangles below are similar. What is x, the missing side length in triangle DEF?

Accepted Answer

9.75

Answer

3.75

Answer

10

Answer

12

Question 7

Solve for X.

Accepted Answer

2 ft

Answer

3 ft

Answer

4 ft

Answer

6 ft

Question 8

What is the scale factor?

Accepted Answer

4

Answer

25

Answer

5

Answer

6

Question 9

Find missing side

Accepted Answer

7

Answer

5

Answer

9

Answer

11

Question 10

Determine whether the triangles are similar.

Accepted Answer

AA~

Answer

SSS~

Answer

SAS~

Answer

not similar

Question 11

Use the number line to find the ratio of the distances.

$$\frac{BE}{CE}$$

Accepted Answer

4/3

Answer

3/4

Answer

8/3

Answer

10/4

Question 12

The ratio of two side lengths for the triangle is given. Solve for the variable.

Accepted Answer

5

Answer

25

Answer

125

Answer

15

Question 13

The figure below shows a Triangle ABC and its dilation image A'B'C'. Which statement must be true?

Accepted Answer

m<b=m<E and 2BC=EF.

Answer

m<A=2m<D and 2BC=EF

Answer

m<b=m<E and BC=EF

Answer

m<A=2m<D and EF=2BC

Question 14

When going from the linear scale factor to the ratio of areas, you...

Accepted Answer

square it.

Answer

cube it.

Answer

square root it.

Answer

cube root it.

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