Mathematics Demo Test about Angles
1. An Angle is define as:

Angle is measure of space between two lines or planes diverging from two common points.
Angle is measure of space between two diverging lines or planes diverging from a common point.

2. Mention the angle in the given diagram:



B
C
D
A

3.  The word "intersection" stands for:

The place or point where two things cross each other
The point where two lines cross each other
A place where two roads or paths cross each other
All are correct

4.   The unit of measurement of angles is:.

Centimeters
Degrees
Inches

6. Angles are classified according to their:

Position
Degree measures
Shape

7. In the diagram the lines are perpendicular:



Yes
No

8. Two perpendicular lines form four angles and all angles are equal. Each angle has the measurement of:

60°
100°
45°
90°

9. If two or more angles combine together to form a straight angle, the sum of their measures will be equal to:

45°
180°
270°
90°

10. A complete circle represents:

270°
360°
180°
90°

11. In the diagram angle Ð1 is equal to Ð2 and ________

Angle 2 is not equal to angles 3 and 4
Angle 2 is equal to angles 3 and 4

12. If one of the angles formed by the intersection of two lines is a right angle, then all the other angles formed by these lines will be:

Acute Angles
Vertical Angles
Obtuse Angles
Right Angles

 

13. Two perpendicular lines form _____ angles and all angles are:

Two, not equal
Four, equal
Four, not equal
Two, equal

 

14. An acute angle measures less than:

90°
180°
45°
270°

15. Sign Ð Represents or is read as:

Intersection
Angle
Traversal
Triangle

16.  Ð1 in the diagram is ______ angle and Ð2 is ______ angle:

Obtuse, Acute
Acute, Obtuse

17. An acute angle measures less than:

180°
45°
270°
90°

 

18. Angle indicated in the diagram is:



Obtuse angle
Acute angle
Right angle
Vertical angle


19. An obtuse angle measures more than______ degrees but less than_____ degrees:

180°, 270°
45°, 90°
45°, 180°
90°, 180°

 

20.In the given diagram the Adjacent angles are:

b. C and D are correct
d. Adjacent angles have one common arm
c. Side by side angles
a. Opposite angles


21. In the diagram adjacent angles are equal.

All are correct
Ð1 and Ð2 are equal
Ð2 and Ð4 are equal
Ð1 and Ð3 are equal


22. If two lines intersect each other in a way that any two adjacent angles are equal (congruent) then these lines are:

Obtuse
Acute
Perpendicular to each other


23. If the sum of two angles is 90° then the angles are Called:

supplementary
Complementary
Right angle
Same angles


24. Ð1 and Ð2 are:



Acute angles
Supplementary angles
Complementary angles


25. The sum of supplementary angles is:

90°
180°
360°
45°


26.   Ð 1 and Ð2 are:



Acute angles
Supplementary angles
Complementary angles


27. If two lines intersect each other, any two adjacent angles would be:



Acute angles
Supplementary angles
Obtuse angles
Complementary angles


28. When two lines intersect, four angles are formed; two opposite angles are called:

Right angles
Obtuse angles
Vertex angles
Vertical angles


29. In the diagram vertical angles are:



c. Answer b and d are correct
b. 1 and 3
d. 2 and 4
a. 1 and 2


30. In the diagram vertical angles are:



d. Ð2 and Ð3
b. Ð1 and Ð2
c. Ð1 and Ð4
a. Answer c and d are correct


31. If two lines which are not perpendicular intersect each other then?

All the vertical angles will be equal
No angle will be equal to the other
All the angles will be equal


32. If a line intersects two parallel lines, the line is called:

Diagonal
Interjector
Transversal


33. If a line AB, called a transversal, intersects a pair of parallel lines, the number of angles formed are:

8
6
12
4


34. If a line, called a transversal, intersects a pair of parallel lines, the relationship among these angles is:



All are correct
All four acute angles are equal ( a = c = e = g)
All four obtuse angles are equal ( b = d = f = h)
The sum of any pair of acute and obtuse angle is 180°, (a+d =180° ,d+e =180° ,b+g =180°)


35. A straight angle measures:

180°
90°
270°
45°


36. The sum of all the measures of all the angles around a point is:

360°
270°
90°
180°

 

37. Any angle which measures less than 90° is called:

Acute
Obtuse
Right
Straight


38. Any angle which measures exactly 90°  is called:.

Straight
Obtuse
Acute
Right


39. An angle which measures more than 90°, but less than 180° is called: 

Right
Straight
Obtuse
Acute


40. The angle which measures exactly 180° is:

Straight line
Acute angle
Obtuse angle
Right angle


41.  when two angles which share a common point, share a side, but do not overlap are:

Adjacent angles
Supplementary angles
Complementary angles
Vertical angles


42. Ð1 and Ð2 are adjacent angles :



False
True


43. Ð1 and ÐABC are NOT adjacent:



False
True


44. Two opposite angles formed by intersecting lines are:

Adjacent angles
Complementary
Supplementary angles
Vertical angles


45. Vertical Angles can be adjacent angles:

False
True


46. Vertical Angles are always equal in measure:

False
True


47. Pick the correct statement:



Angle 2 and angle 3 are vertical angles.
Angle 1 and angle 4 are not vertical
Angle 2 and angle 4 are vertical angles.


48.  Two angles whose measures add up to make 90° :

Complementary angles
Adjacent angles
Vertical angles
Supplementary angles


49. Choose the correct statement:



All are correct
Line segment X Y is perpendicular to line segment Y Z.
Ð 1 and Ð 2 are complementary.
Ð XYZ and Ð1 are not complementary.


50. Two angles whose measures add up to 180°.

Supplementary angles
Adjacent angles
Vertical angles
Complementary angles


51. Ð1 and Ð2 are supplementary:



True
False


52. The line passing through points A, B, and C is a straight line.


True
False


53. Two complementary angles measure x and 65°. How many degrees are there in x :

35°
115°
25°
45°


54. Two Supplementary Angles measure x and 65°. How many degrees are there in x :

35°
115°
45°
25°


55.  Two vertical angles measure x and 45°. How many degrees are there in x ?

45°
25°
35°
115°


56. Two vertical angles measure 2 x and 80°. How many degrees are there in x ?

35°
50°
40°
140°


57. Two complementary angles measure (2x+10) and (x+20) degrees. What is the value of x ?

35°
20°
40°
160°


58. Two supplementary angles measure (5x-30) and (x+90) degrees. What is the value of x ?

20°
160°
35°
40°


59. An obtuse angle is any angle which measures between 90 degrees and 180degrees.

False
True


60. Pick the correct choice?

The word interior means between the parallel lines.
The word exterior means outside the parallel lines.
All are correct
The word alternate means "alternating sides" of the transversal.

 
 

61. Which are alternate interior angles:



Angles 1and 5, 2 and 6
Ð1 and Ð7, Ð2 and Ð8
Ð1 and Ð3, Ð2 and Ð4
Ð1 and Ð4, Ð2 and Ð3

 

 

62. Ð1 and Ð2, Ð3 and Ð4 are alternate exterior angles:



False
True


63. Which are alternate exterior angles:



Ð5 and Ð1, Ð6 and Ð2
Ð3 and Ð8, Ð4 and Ð7
Ð5 and Ð2, Ð6 and Ð1
Ð5 and Ð8, Ð6 and Ð7


64. What are corresponding angles:

Angles formed on the same and opposite side of the transversal
Interior angles formed on the same side of the transversal
Angles formed on the opposite sides of the transversal
Angles formed on the same side of the transversal


65. Which are alternate corresponding angles:



6 & 7, 5 & 8, 2 & 4, 2 & 3
5 & 3, 1 & 7, 6 & 4, 2 & 8
6 & 7, 5 & 8, 1 & 2, 3 & 4
6 & 5, 7 & 8, 1 & 4, 2 & 3

   
66. Name all pairs of alternate interior angles.



3 and 2, 4 and 6
1 and 4, 2 and 3
1 and 3, 7 and 8
5 and 6, 3 and 4


67. Name all pairs of corresponding angles.



1 and 4, 2 and 6, 3 and 7, 5 and 8
1 and 5, 2 and 6, 3 and 7, 4 and 8
1 and 3, 2 and 6, 5 and 7, 4 and 8
1 and 5, 2 and 6, 4 and 7, 3 and 8


68. Name all pairs of alternate exterior angles.



5 and 6, 3 and 4
5 and 8, 6 and 7
3 and 2, 4 and 6
1 and 3, 7 and 8


69. Which line is the transversal:



A B
C D
E F


70. Find the measure of Ð 1:



80°
90°
40°
60°


71. Find the measure of Ð 2 :



80°
60°
40°
90°


72. Find the measure of Ð 3



140°
180°
90°
160°


73. What is the value of x:



20°
50°
25°


74. Opposite sides of parallelograms are parallel:



True
False


75. In the diagram Ð1 is equal to Ð2 and:



Ð2 is equal to Ð3 and Ð4
Ð2 is not equal to Ð3 and Ð4

 
 

76. If two lines intersect each other in a way that any two adjacent angles are equal (congruent) then these lines are _________ to each other.

Perpendicular
Acute
Obtuse


77. Two vertical angles measure x and 45°. How many degrees are there in x ?

25
115
35
45


78. Two vertical angles measure 2 x and 80°. How many degrees are there in x ?

140
40
35
50


79. Two complementary angles measure (2x+10) and (x+20) degrees. What is the value of x ?

40
35
160
20


80. Two supplementary angles measure (5x-30) and (x+90) degrees. What is the value of x ?

20
160
35
40


81. An obtuse angle is any angle which measures between 90 degrees and 180degrees.

False
True


82. Vertical angles are only equal, when you have parallel lines.

False
True


83. Name all pairs of corresponding angles.



1 and 5, 2 and 6, 3 and 7, 4 and 8
1 and 3, 2 and 6, 5 and 7, 4 and 8
1 and 4, 2 and 6, 3 and 7, 5 and 8
1 and 5, 2 and 6, 4 and 7, 3 and 8


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