Quiz about Geometry Quiz in Ratios and Proportions and Similar Polygons

Question 1

Solve for x. The two figures are similar.

Accepted Answer

x = 9

Answer

x = 6

Answer

x = 7

Answer

x = `0

Question 2

Find x and y.

Accepted Answer

9, 12

Answer

4, 24

Answer

6, 8

Question 3

The figures are similar. Find the scale factor of the smaller figure to the larger figure.

Accepted Answer

3:5

Answer

2:5

Answer

5:3

Answer

2:3

Question 4

The figures below are similar. The labeled sides are corresponding.

What is the ratio of the perimeter of the smaller pentagon to the larger pentagon?

Accepted Answer

5:9

Answer

9:5

Answer

25:81

Answer

81:25

Question 5

Question 5.

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 6

The ratio of similarity of the figures below is 5/3. What is the ratio of the perimeters?

Accepted Answer

5/3

Answer

3/5

Answer

25/9

Answer

9/25

Question 7

If pentagon FGHIJ and Pentagon PQRST are similar, what is the length of line segment QR?

Accepted Answer

4.2 cm

Answer

3.5 cm

Answer

5.0 cm

Answer

5.2 cm

Question 8

What is the perimeter of the smaller hexagon? Set up a proportion comparing the two sides and the two perimeters.

Accepted Answer

6 cm

Answer

5 cm

Answer

1/6 cm

Answer

not enough info

Question 9

Similarity Ratio: _

Accepted Answer

2/3

Answer

1/2

Answer

2

Answer

3

Question 10

Accepted Answer

$$\frac{y}{6}$$ = $$\frac{7}{5.25}$$

Answer

$$\frac{y}{x}$$ = $$\frac{4.2}{3.15}$$

Answer

$$\frac{6}{x}$$ = $$\frac{5.25}{7}$$

Answer

$$\frac{x}{4}$$ = $$\frac{3}{6}$$

Question 11

Question 11.

Accepted Answer

66

Answer

88

Answer

22

Answer

31

Question 12

The areas of a two similar polygons are $$4\ cm^2$$ and $$25\ cm^2$$ . What is the ratio of their perimeters?

Accepted Answer

2:5

Answer

4:25

Answer

1:4

Answer

1:25

Question 13

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 14

Quadrilateral KLMN is similar to quadrilateral WXYZ. Determine if the following statement about these quadrilaterals are true or false. $\frac{\text{KL}}{\text{YZ}}=\frac{\text{LM}}{\text{ZW}}$

Accepted Answer

False

Answer

True

Question 15

What is the ratio of circles to squares?

Accepted Answer

2:1

Answer

3:1

Answer

1:2

Answer

5:3

Question 16

Solve the proportion.

Accepted Answer

10

Answer

-2

Answer

4

Answer

-7

Geometry Quiz in Ratios and Proportions and Similar Polygons

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