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Triangles Unit Test 1

Total questions: 65

Worksheet time: 16hrs 15mins

Name
Class
Date
1.

Which two angles are the remote interior angles to Angle W?

a)

Angle X and Angle Y

b)

Angle X and Angle Z

c)

Angle Y and Angle Z

d)

Angle Z and Angle W

2.

What is the measure of x?

a)

101°

b)

111°

c)

121°

d)

131°

3.

Find the indicated angle. (What is ?)

a)

91°

b)

81°

c)

89°

d)

109°

4.

Find the indicated angle measure (What is ?)

a)

80°

b)

90°

c)

70°

d)

60°

5.

Set up an equation to find x.

a)

42 + 8x = 2 + 12x

b)

2 + 12x + 42 = 8x

c)

42 + 8x + 2 + 12x = 180

d)

42 + 8x = 180

6.

Solve for x.

a)

1

b)

2

c)

3

d)

4

7.
Find the value of x.
a)
A
b)
B
c)
C
d)
D
8.

What is the measure of angle b?

a)

36o

b)

56o

c)

63o

d)

117o

9.

An acute triangle has __________ angles that each measure less than 90°.

a)

one

b)

two

c)

three

d)

four

10.

An isosceles triangle has _________ equal sides.

a)

one

b)

two

c)

three

d)

four

11.

A right triangle has one angle that measures _______ and two acute angles.

a)

90°

b)

less than 90°

c)

more than 90°

d)

180°

12.

An ____________ triangle has three equal sides.

a)

isosceles

b)

equilateral

c)

scalene

13.

An obtuse triangle has one angle that measures _____________ 90°.

a)

less than

b)

exactly

c)

more than

14.

A _________ triangle has no equal sides.

a)

scalene

b)

isosceles

c)

equilateral

15.
If a triangle has all angles less than 90° and two equal sides, what type of triangle is it?
a)
Acute Isosceles
b)
Acute Scalene
c)
Obtuse Scalene
d)
Obtuse Isosceles
16.
If a triangle has one angle exactly 90° and two equal sides, what type of triangle is it?
a)
Right Isosceles
b)
Acute Scalene
c)
Obtuse Scalene
d)
Obtuse Isosceles
17.
If a triangle has all three angles equivalent and all three sides equivalent, what type of triangle is it?
a)
Acute Isosceles
b)
Equilateral
c)
Obtuse Scalene
d)
Obtuse Isosceles
18.

Triangles can be classified by what two things?

a)

Side length

b)

Number of Vertices

c)

Angles

d)

Congruent Sides

19.

Which type of triangle is pictured?

a)

A

b)

B

c)

C

d)

D

20.

Which type of triangle is pictured?

a)

A

b)

B

c)

C

d)

D

21.

Which type of triangle is pictured?

a)

A

b)

B

c)

C

d)

D

22.

Which type of triangle is pictured?

a)

A

b)

B

c)

C

d)

D

23.

An acute triangle has __________ angles that each measure less than 90°.

a)

one

b)

two

c)

three

d)

four

24.

An isosceles triangle has _________ equal sides.

a)

one

b)

two

c)

three

d)

four

25.

A right triangle has one angle that measures _______ and two acute angles.

a)

90°

b)

less than 90°

c)

more than 90°

d)

180°

26.

An ____________ triangle has three equal sides.

a)

isosceles

b)

equilateral

c)

scalene

27.

An obtuse triangle has one angle that measures _____________ 90°.

a)

less than

b)

exactly

c)

more than

28.

A _________ triangle has no equal sides.

a)

scalene

b)

isosceles

c)

equilateral

29.
If a triangle has all angles less than 90° and two equal sides, what type of triangle is it?
a)
Acute Isosceles
b)
Acute Scalene
c)
Obtuse Scalene
d)
Obtuse Isosceles
30.
If a triangle has one angle greater than 90° and no equal sides, what type of triangle is it?
a)
Acute Isosceles
b)
Acute Scalene
c)
Obtuse Scalene
d)
Obtuse Isosceles
31.
If a triangle has one angle exactly 90° and two equal sides, what type of triangle is it?
a)
Right Isosceles
b)
Acute Scalene
c)
Obtuse Scalene
d)
Obtuse Isosceles
32.
If a triangle has all three angles equivalent and all three sides equivalent, what type of triangle is it?
a)
Acute Isosceles
b)
Equilateral
c)
Obtuse Scalene
d)
Obtuse Isosceles
33.

Triangles can be classified by what two things?

a)

Side length

b)

Number of Vertices

c)

Angles

d)

Congruent Sides

34.

Which type of triangle is pictured?

a)

A

b)

B

c)

C

d)

D

35.

Which type of triangle is pictured?

a)

A

b)

B

c)

C

d)

D

36.

Which type of triangle is pictured?

a)

A

b)

B

c)

C

d)

D

37.

Which type of triangle is pictured?

a)

A

b)

B

c)

C

d)

D

38.

Which type of triangle is pictured?

a)

A

b)

B

c)

C

d)

D

39.

Which type of triangle is pictured?

a)

A

b)

B

c)

C

d)

D

40.

Which type of triangle is pictured?

a)

A

b)

B

c)

C

d)

D

41.
Find the measure of the missing angle.
a)
90o
b)
100
c)
130o
d)
50o
42.

Solve for x. (Hint: 70 + 60 + 8x + 2 = 180; combine like terms and solve for x)

a)

16

b)

11

c)

50

d)

6

43.

Solve for x.

a)

44o

b)

-14o

c)

-7o

d)

63o

44.
Solve for x.
a)
16
b)
11
c)
50
d)
6
45.
Solve for x.
a)
6
b)
-10
c)
7
d)
-9
46.

Solve for x.

a)

x = 7

b)

x = 8

c)

x = 6

d)

x = 9

47.
Solve for the missing angle measure.
a)
47
b)
57
c)
53
d)
133
48.
The acute angles of a right triangle are
a)
supplementary
b)
linear
c)
complementary
d)
60°
49.
The measure of each angle of an equiangular triangle is 
a)
complementary
b)
supplementary
c)
60°
d)
45°
50.
If two angles of one triangle are congruent to two angles of another triangle, then the third pair of angles are congruent.
a)
Triangle Sum Theorem
b)
Exterior Angle Theorem
c)
Third Angles Theorem
d)
Congruent Triangles Theorem
51.
What is the correct congruence statement?  ΔDEC ≅________
a)
ΔAEB
b)
ΔEAB
c)
ΔBEA
d)
Not Congruent
52.
Solve for x
a)
30°
b)
40°
c)
50°
d)
60°
53.
Which would be the best classification for the triangle shown?
a)
right isosceles
b)
obtuse scalene
c)
obtuse isosceles
d)
right scalene
54.

What is the measure of BC?

a)

12

b)

6

c)

9

d)

10

55.
Find x
a)
90
b)
45
c)
22
d)
35
56.

Solve for the value of X.

X= (a)  

57.
Use the picture to answer the question.
a)
76
b)
28
c)
152
d)
56
58.
Which angle is the vertex angle?
a)
<C
b)
<A
c)
<B
59.
Which segment is the base?
a)
Segment AB
b)
Segment BC
c)
Segment AC
60.
Find x
a)
90
b)
45
c)
22
d)
35
61.
Find x
a)
10
b)
32
c)
116
d)
16
62.
a)
12
b)
11
c)
8
d)
6
63.

What is the value of x?

a)

16

b)

60

c)

8

d)

Not enough information

64.

What is the value of x?

a)

4

b)

2

c)

3

d)

10

65.

What is the measurement of ED if EF = 16?

(a)