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Angles, Lines, and Triangles

Total questions: 43

Worksheet time: 1hrs 25mins

Name
Class
Date
1.
If  m∠5 = 110°, find the measure of ∠8. 
a)
110°
b)
55°
c)
75°
d)
70°
2.
If  m∠5 = 110°, find the measure of ∠6. 
a)
70°
b)
110°
c)
75°
d)
65°
3.
If  m∠7 = 60°, find the measure of ∠4. 
a)
65°
b)
110°
c)
60°
d)
75°
4.
If  m∠7 = 60°, find the measure of ∠6. 
a)
30°
b)
120°
c)
100°
d)
60°
5.
Classify the pair of angles shown.
a)
supplementary
b)
complementary
c)
vertical
d)
corresponding
6.
Classify the pair of angles shown. 
a)
supplementary
b)
complementary
c)
vertical 
d)
corresponding
7.
Classify the pair of angles shown.
a)
supplementary angles
b)
complementary angles
c)
vertical angles 
d)
corresponding angles 
8.
Classify the pair of angles shown.
a)
supplementary angles 
b)
complementary angles
c)
vertical angles 
d)
corresponding angles 
9.
Classify the pair of angles shown.
a)
supplementary angles 
b)
complementary angles 
c)
vertical angles 
d)
corresponding angles 
10.
Find the value of x in the figure. 
a)
68°
b)
69°
c)
78°
d)
79°
11.
Find the value of x in the figure. 
a)
121°
b)
131°
c)
59°
d)
69°
12.
Find the value of x in the figure. 
a)
91°
b)
89°
c)
79°
d)
81°
13.
Two angles that add up to 180 degrees are called _____________ ______.
a)
right angles
b)
corresponding angles
c)
complementary angles
d)
supplementary angles
14.
In the diagram, which of the following statements are false?
a)
∠1 and ∠4 are vertical angles
b)
∠4 and ∠5 are alternate interior angles
c)
∠1 and ∠8 are alternate interior angles
d)
∠2 and ∠6 are corresponding angles
15.
If  m∠7 = 60°, find the measure of ∠4. 
a)
65°
b)
110°
c)
60°
d)
75°
16.
Find the missing angle measure  in the triangle. 
a)
59°
b)
49°
c)
39°
d)
69°
17.
Find the missing angle measure  in the triangle.
a)
25°
b)
35°
c)
45°
d)
55°
18.
Find the missing angle measure  in the triangle.
a)
37°
b)
47°
c)
57°
d)
27°
19.
Find the missing angle measure  in the triangle.
a)
80°
b)
60°
c)
70°
d)
50°
20.
Find the value of x in the triangle.
a)
74°
b)
124°
c)
106°
d)
114°
21.
Classify the triangle according to its angle and sides. 
a)
acute scalene
b)
acute isosceles
c)
acute equilateral
d)
obtuse isosceles
22.
Classify the triangle according to its angles and sides. 
a)
acute scalene
b)
obtuse scalene
c)
acute equilateral
d)
obtuse isosceles
23.
Classify the triangle according to its angle and sides. 
a)
acute isosceles
b)
right isosceles
c)
obtuse scalene
d)
acute equilateral
24.
What are complementary angles?
a)
Angles that add up to 180°
b)
Angles that add up to 90°
c)
Angles that are equal to each other
d)
Angles that are opposite of each other when lines intersect.
25.
What are vertical angles?
a)
Angles that are adjacent to each other
b)
Angles that add up to 180°
c)
Angles that are opposite of each other when lines intersect
d)
Angles that add up to 90°
26.
Is it possible to find the complement angle of 103°? If so, what is it? 
a)
Yes, the complement angle is 77°
b)
Not possible. 
c)
Yes, the compliment angle is 83°
d)
Yes, the complement angle is 13°
27.
Which phrase is incorrect?
a)
Complementary angles have to be adjacent.
b)
Supplementary angles equal 180°.
c)
Complementary angles can make a right triangle. 
d)
Complementary angles add up to be half of 180°.
28.
In a triangle, how many total degrees are there?
a)
100%
b)
180 degrees
c)
it varies
d)
360 degrees
29.
.
.
.
.
What is the name of this kind of triangle?
a)
Right
b)
Isosceles
c)
Scalene
d)
Equilateral
30.
.
.
.
.
What is the name of this kind of triangle?
a)
Right
b)
Scalene
c)
Isosceles
d)
Equilateral
31.
.
.
What kind of triangle is this?
a)
Acute
b)
Right
c)
Obtuse
d)
Robot
32.
What kind of triangle is this?
a)
Acute
b)
Super
c)
Right
d)
Obtuse
33.
.
.
.
What is the name of this kind of triangle?
a)
Right
b)
Scalene
c)
Isosceles
d)
Equilateral
34.
How many acute angles must an acute triangle have?
a)
2
b)
1
c)
4
d)
3
35.
Find the measure of the indicated angle. 
a)
26
b)
36
c)
85
d)
144
36.
Find the measure of angle D.
a)
140 degrees
b)
16 degrees
c)
40 degrees
d)
90 degrees
37.
Find the missing angle.
a)
29° 
b)
39° 
c)
49° 
d)
59° 
38.

∠5 and ∠6 are ___________ _________

a)

Adjacent Angles

b)

Corresponding Angles

c)

Interior Angles

d)

Exterior Angles

39.

∠5 and ∠7 are ________ _________

a)

Adjacent Angles

b)

Corresponding Angles

c)

Interior Angles

d)

Exterior Angles

40.

∠5 and ∠4 are ________ _________

a)

Adjacent Angles

b)

Corresponding Angles

c)

Alternating Exterior Angles

d)

Exterior Angles

41.

∠2 and ∠7 are ________ _________

a)

Adjacent Angles

b)

Corresponding Angles

c)

Alternating Interior Angles

d)

Interior Angles

42.

∠2, ∠3, ∠6, and ∠7 are ________ _________

a)

Alternating Interior Angles

b)

Alternating Exterior Angles

c)

Exterior Angles

d)

Interior Angles

43.

∠1, ∠4, ∠5, and ∠8 are ________ _________

a)

Alternating Interior Angles

b)

Alternating Exterior Angles

c)

Exterior Angles

d)

Interior Angles