Free Printable Lines and Angles-9th grade

1.

Find the value of x.

a)

35

b)

140

c)

175

d)

75

2.

Find the value of a.

a)

58^o

b)

64^o

c)

116^o

d)

128^o

3.

Find the value of

\angle PRQ

a)

$45\degree$

b)

$70\degree$

c)

$65\degree$

d)

$110\degree$

4.

Find the value of x.

a)

$130\degree$

b)

$55\degree$

c)

$30\degree$

d)

$75\degree$

5.

Find

\angle DCE\ \ if\ AB\parallel DE

a)

$88\degree$

b)

$53\degree$

c)

$92\degree$

d)

$35\degree$

6.

Find the value of x and y.

a)

x=130\degree,\ y=50\degree

b)

$x=130\degree,\ y=\ 130\degree$

c)

$x=50\degree,\ y=\ 130\degree$

d)

$x=50\degree,\ y=\ 50\degree$

7.

Find the value of y.

a)

7

b)

6

c)

5

d)

8

8.

Find the value of x.

a)

$30\degree$

b)

$50\degree$

c)

$45\degree$

d)

$40\degree$

9.

Find the value of x if

l_1\parallel l_2

a)

$78\degree$

b)

$35\degree$

c)

$47\degree$

d)

$57\degree$

10.

$If\ AB\parallel CD$ Find the value of y.

a)

$126\degree$

b)

$36\degree$

c)

$54\degree$

d)

$72\degree$

11.

$Find\ the\ value\ of\ \angle BCE$

a)

$75\degree$

b)

$65\degree$

c)

$140\degree$

d)

$90\degree$

12.

$If\ AB\parallel CD\ and\ \ BC\parallel DE,\$ then find the value of x.

a)

$120\degree$

b)

$140\degree$

c)

$180\degree$

d)

$40\degree$

13.

Say 'TRUE' or 'FALSE'
A triangle must have at least two acute angles

a)

TRUE

b)

FALSE

14.

Through a given point, how many perpendiculars to a given line can be drawn?

a)

1

b)

2

c)

3

d)

Not possible to draw

15.

a)

x = 60⁰

b)

x = 80⁰

c)

x = 120⁰

d)

x = 70⁰

16.

a)

∠a = 60°

b)

∠a = 50°

c)

∠a = 10°

d)

∠a = 55°

17.

An angle which is complement of itself is___

a)

90°

b)

60°

c)

45°

d)

55°

18.

The supplementary angles of 132° is ______

a)

48°

b)

58°

c)

68°

d)

38°

19.

If two adjacent angles are equal, then the measure of each of these angles is ____

a)

90°

b)

60°

c)

180°

d)

45°

20.

What is the value of x?

a)

-5

b)

5

c)

8

d)

11

21.

a)

2x-6=7x+4

b)

2x-6+7x+4=90

c)

2x-6+7x+4=180

d)

2x-6+7x+4=360

22.

What is the value of x?

a)

13

b)

6.2

c)

29.8

23.

Without using a protractor, find the measure of angle x.

a)

214 degrees

b)

6 degrees

c)

186 degrees

d)

180 degrees

24.

If < ABC= 103⁰, find m< ABD

a)

45

b)

13

c)

57

d)

46

25.

Solve for x.

a)

x = 10

b)

x = 9

c)

x = 2

d)

x = 11

26.

Angles A and B form a linear pair.

\ m\angle A=6x-19\ and\ m\angle B=11x-22.

Determine the measure of angle B.

a)

$59\degree$

b)

$65\degree$

c)

$115\degree$

d)

$121\degree$

27.

2. Line m represents a straight wire attached to 2 parallel telephone poles as shown above. Which statement is true?

a)

$\angle5\cong\angle3$

b)

$m\angle3+m\angle5=180\degree$

c)

$m\angle4+m\angle6=180\degree$

d)

$\angle2\cong\angle3$

e)

$\angle5\cong\angle6$

28.

$If\ c\parallel d\ which\ statement\ is\ true?$

a)

$\angle1\cong\angle16$

b)

$\angle7\cong\angle10$

c)

$m\angle14+m\angle15=180$

d)

$m\angle6+m\angle10=180$

29.

If the $m\angle6=55\degree,$ what is $m\angle12$ and which rule did you use?

a)

$55\degree$

b)

$125\degree$

c)

Alternate exterior angles are congruent.

d)

Alternate exterior angles are supplementary.

e)

You don't use alternate exterior angles, at all. I used a different rule.

30.

If the $m\angle11=105\degree,$ what is $m\angle12$ and which rule did you use?

a)

$105\degree$

b)

$75\degree$

c)

Alternate exterior angles are supplementary.

d)

Consecutive interior angles are supplementary.

e)

Linear pairs are supplementary.

31.

If the $m\angle8=50\degree,$ what is $m\angle10$ and which rule did you use?

a)

$130\degree$

b)

$50\degree$

c)

Alternate exterior angles are complementary.

d)

Consecutive interior angles are supplementary.

e)

Neither, I used a different rule.

32.

If the $m\angle9=122\degree,$ what is $m\angle10$ and which rule did you use?

a)

$122\degree$

b)

$68\degree$

c)

$58\degree$

d)

Consecutive interior angles are supplementary.

e)

Consecutive exterior angles are supplementary.

33.

Find x:

a)

3

b)

3.86

c)

71

d)

88.2

e)

Other

34.

If $\angle9=4x$ and $\angle10=6x-10,$ solve for $\angle13$ Hint: solve for x, first

a)

5

b)

19

c)

160

d)

104

e)

76

35.

If $\angle6=18-3x$ and $\angle12=10x+109,$ solve for $\angle13$ Hint: solve for x, first.

a)

7

b)

141

c)

-7

d)

39

e)

Other

36.

If $\angle7=45x+120$ and $\angle13=135x+30,$ solve for $\angle9$ Hint: solve for x, first.

a)

35

b)

1

c)

165

d)

1/6

e)

135

37.

Which angles need to be congruent, for lines k and m to be parallel?

a)

$\angle1\ and\ \angle3$

b)

$\angle1\ and\ \angle5$

c)

$\angle5\ and\ \angle3$

d)

$\angle1\ and\ \angle8$

e)

$\angle6\ and\ \angle3$

38.

If AB || CD, which pair of angles are same side supplementary angles?

a)

$\angle4\cong\angle5$

b)

$\angle3\cong\angle7$

c)

$\angle3\cong\angle5$

d)

$\angle1\cong\angle7$

39.

If AB || CD, which pair of angles are alternate exterior angles?

a)

$\angle3\cong\angle6$

b)

$\angle1\cong\angle5$

c)

$\angle3\cong\angle5$

d)

$\angle2\cong\angle8$

40.

What is the measure of angle b

a)

146

b)

34

c)

36

d)

136

Lines and Angles-9th grade

Total questions: 40

Worksheet time: 38mins

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