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Similarity, Congruence, Triangle, and Quadrilateral Properties

Total questions: 15

Worksheet time: 11mins

Name
Class
Date
1.

Solve for x using the exterior angle theorem.

a)

49

b)

7

c)

-14

d)

27

2.

For rhombus NERD, which of the following is true?

a)

ED = NR

b)

segment ER is perpendicular to segment RD

c)

segment ED is perpendicular to segment NR

d)

Angles N and D are congruent

3.

For two similar triangles, the scale factor is 2. If the perimeter and area of the smaller triangle are 20 and 16, respectively, what are the perimeter and area of the larger triangle?

a)

20 and 16

b)

40 and 32

c)

40 and 48

d)

40 and 64

4.

What extra information is needed to be given to show that the two triangles are congruent by SAS?

a)

AB = ED

b)

angle A measure = angle E measure

c)

angle B measure = angle E measure

d)

None; there is enough information already.

5.

In which step is the distance between the sides of the angle measured?

a)

1

b)

2

c)

3

d)

4

6.

In the image, what are the measures of angles y and z, respectively?

a)

58 and 122

b)

122 and 58

c)

122 and 122

d)

122 and 122

7.

Name the postulate, if possible, that makes the triangles congruent.

a)

SAS

b)

HL

c)

SSA

d)

Not possible to prove

8.

Are the triangles similar? If so, why?

a)

Yes. SSS~

b)

No

c)

Yes. AA~

d)

Yes. ASA~

9.

A line is dilated by a factor of 3.6 in which the center of the dilation is on the line. What is the result?

a)

The dilation is parallel to the line and is 3.6 times longer.

b)

The dilation is the line.

c)

The dilation is a line that is 3.6 times longer.

d)

The dilation becomes a point.

10.

Find the length of segment DK for the points D(-3, -4) and K(3, 4).

a)

0

b)

14

c)

10

d)

100

11.

Find the missing length indicated.

a)

30

b)

25

c)

45

d)

50

12.

When two triangles share a side, what reason normally ends up in a proof of congruent triangles?

a)

Vertical angles theorem

b)

Alternate interior angles theorem

c)

Definition of midpoint

d)

Reflexive property

13.
Name the postulate, if possible, that makes the triangles congruent.
a)
SSS
b)
SAS
c)
ASA
d)
Not Possible
14.

Are the triangles similar? If so, what is the scale factor from ΔDEF to ΔABC?

a)

Yes. 1.5

b)

Yes. ⅔

c)

Yes. 2

d)

No.

15.

To construct a perpendicular bisector, your arcs must intersect how many times?

a)

1

b)

2

c)

3

d)

not at all