Quiz about Similarity

Question 1

What does congruent mean?

Accepted Answer

Same size, same shape

Answer

Same shape, different size

Answer

Not same shape, or size

Question 2

All angles in similar figures are congruent.

Accepted Answer

True

Answer

False

Question 3

If two figures are similar, the corresponding sides are ______________.

Accepted Answer

proportional

Answer

equal

Answer

congruent

Answer

none of these

Question 4

What are matching sides of similar figures?

Accepted Answer

Corresponding Sides

Answer

Corresponding Angles

Answer

Scale Factor

Question 5

When you dilate a figure you...

Accepted Answer

make it larger or smaller.

Answer

slide it.

Answer

turn it.

Answer

flip it.

Question 6

If the scale factor is less than one, the new figure will be

Accepted Answer

a reduction

Answer

an enlargement

Answer

a scale factor

Question 7

If the scale factor is greater than one, the new figure will be

Accepted Answer

an enlargement

Answer

a reduction

Answer

a scale

Answer

not proportional

Question 8

A __________ is a comparison of two quantities.

Accepted Answer

ratio

Answer

transformation

Answer

scale

Answer

graph

Question 9

Are the triangles similar?

Accepted Answer

Yes

Answer

No

Question 10

Are the triangles similar?

Accepted Answer

No

Answer

Yes

Question 11

Which of the following angles can you add together to equal angle d?

Accepted Answer

Angle a and Angle b

Answer

Angle b and Angle c

Answer

Angle a and Angle c

Answer

Angle a and Angle b and Angle c

Question 12

Calculate the value of the scale factor between the 2 triangles

Accepted Answer

3

Answer

2.5

Answer

3.5

Answer

4

Question 13

Find x

Accepted Answer

21

Answer

27/7

Answer

13

Answer

18

Question 14

What is the value of X?

Accepted Answer

X=2

Answer

X=4

Answer

X=6

Answer

X=3

Question 15

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

Accepted Answer

x = 3

Answer

x = 1

Answer

x = 9

Answer

x = 5

Question 16

Find the ratio (blue to red) of the perimeter.

Accepted Answer

7/4

Answer

4/7

Answer

49/16

Answer

16/49

Question 17

Find the ratio (blue to red) of the area.

Accepted Answer

49/16

Answer

4/7

Answer

7/4

Answer

16/49

Question 18

Tell whether the two figures are congruent.

Accepted Answer

Yes, same size and same shape

Answer

No, same shape but different sizes

Answer

No, different size and different shapes

Question 19

Tell whether the two figures are congruent.

Accepted Answer

No, same shape but different sizes

Answer

Yes, same size and same shape

Answer

No, different size and different shapes

Question 20

How does a dilation change the angles of a polygon?

Accepted Answer

Dilations do not change the angles.

Answer

It changes by the scale factor.

Answer

It is impossible to answer this question.  The angles change unpredictably.

Answer

The angles all change to larger angles.

Similarity

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