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Angles 4th Grade Review

Total questions: 39

Worksheet time: 20mins

Name
Class
Date
1.
a)
The angle is acute
b)
The angle is right
c)
The angle is obtuse
2.
a)
Acute
b)
Right
c)
Obtuse
3.
a)
The angles are acute
b)
The angles are right
c)
The angles are obtuse
4.
a)
Acute
b)
Right
c)
Obtuse
5.
a)
Acute Angles
b)
Right Angles
c)
Obtuse Angles
6.
What is the measure of the following angle? 
a)
120 degrees.
b)
175 degrees.
c)
60 degres.
d)
10 degrees.
7.
What is the measure of the following angle?  
a)
123 degrees.
b)
180 degrees.
c)
142 degrees.
d)
97 degrees. 
8.
What is the measure of this angle?
a)
20 degrees
b)
160 degrees
c)
0 degrees
d)
180 degrees
9.
Identify this picture. 
a)
ray AB
b)
line AB
c)
line segment AB
d)
point AB
10.
If an angle measure exactly 180 degrees, how would you classify that angle?
a)
right
b)
straight
c)
acute
d)
obtuse
11.

What type of angle measures LESS than 90 degrees?

a)

an acute angle

b)

an obtuse angle

c)

a right angle

d)

a straight angle

12.

What type of angle measures MORE than 90 degrees, but not 180 degrees?

a)

an acute angle

b)

an obtuse angle

c)

a right angle

d)

a straight angle

13.

What type of angle measures EXACTLY 90 degrees?

a)

an acute angle

b)

an obtuse angle

c)

a right angle

d)

a straight angle

14.

What type of angle measures EXACTLY 180 degrees?

a)

an acute angle

b)

an obtuse angle

c)

a right angle

d)

a straight angle

15.

What is the measurement of a full circle?

a)

90 degrees

b)

180 degrees

c)

360 degrees

16.

The measurement of this angle is 90 degrees. What is the value of M?

a)

A

b)

B

c)

C

d)

D

17.

Use the image to answer the question. What is the value of A?

a)

121

b)

125

c)

19

d)

9

18.

What is the measurement of a half circle?

a)

90 degrees

b)

180 degrees

c)

360 degrees

19.
Find the value of ∠A.
a)
60 degrees
b)
30  degrees
c)
90 degrees
d)
120 degrees
20.
Find the value of ∠A.
a)
20 degrees
b)
30  degrees
c)
50 degrees
d)
90 degrees
21.
Find the missing angle.
a)
60
b)
70
c)
50
d)
140
22.

An Obtuse Angle is?

a)
b)
c)
23.

What Polygon has right angles?

a)
b)
c)
24.

Which Polygon has all Obtuse Angles?

a)
b)
c)
25.

Which shape has both Acute and Obtuse Angles?

a)
b)
c)
26.
a)
Line
b)
Ray
c)
Line segment
d)
Angle
27.
a)
Ray
b)
Point
c)
Line
d)
Line segment
28.
a)
Parallel
b)
Perpendicular
c)
Intersecting
29.
a)
Parallel
b)
Perpendicular
c)
Intersecting
30.

Use the image to answer.

a)

A

b)

B

c)

C

d)

D

31.

Use the image to answer.

a)

A

b)

B

c)

C

d)

D

32.
Perpendicular lines...
a)
will never intersect
b)
intersect to form right angles
c)
are curved lines
33.

Classify this triangle.

a)

acute

b)

obtuse

c)

right

34.

What kind of lines are these?

a)

Parallel

b)

Perpendicular

c)

Intersecting

d)

perpendicular and intersecting

35.

Which of the following images show < ABC?

a)
b)
c)
d)
36.
What type of triangle is this?
a)
Equilateral
b)
Isosceles
c)
Scalene
d)
Obtuse
37.
Which type of triangle is pictured?
a)
Equilateral Triangle
b)
Right Isosceles Triangle
c)
Obtuse Scalene Triangle
d)
Obtuse Equilateral Triangle
38.

How many obtuse angles are there?

a)

1

b)

2

c)

3

d)

4

39.

What angle do the hands of the clock form?

a)

acute

b)

right

c)

obtuse

d)

straight

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