AP 9th Maths Mock Test 2021 For Chapter – 4 : “Lines And Angles” Online Practice Test

1. If \angleAOC and \angleBOC form a linear pair and a - 2b = 300 then the values of 'a' and 'b' is
2. If b = a + 200 then a =
3. In \triangleABC , \angleA = \frac{ \angle B}{2} = \frac{ \angle C}{6} then the measure of \angleA is
4. In the given figure \angle2 = 2x + 300 , \angle4 = x + 2y0 , \angle6 = (3y + 10)0 then match the following
  1. \angle2            ( ) a. 1800
  2. \angle5           ( ) b. 800
  3. \angle3 + \angle4  ( ) a. 500
  4. \angle8 - \angle5   ( ) a. 1300
 
5.
  1.  Difference between angles formed by a minute hand and hour hand in a minute is 5\frac{1}{2} ^{0}
  2. If the time was 9 AM then angle formed by minute and hour hand is 600
  3. If (3x - 15)0 and (x + 5)0 are complementary angles then the value of x is 150
6. The difference of supplementary and conjugate angles of 'x' is
7. The angle which is four times of its complement is
8. Two complementary angles are such that two times the measure of one is equal to three times the measure of the other . The measure of the larger angle is
9. Assertion A : The value of x in the adjacent figure is 320                                                                                                            Reason R : The sum of linear angles is 1800
10. Assertion A : If l\parallelm then the value of x is 500                                                                                                                         Reason R : The sum of co-interior angles is 1800
11. Assertion A : The sum of two adjacent angles is 1800 then the non-common arms of the angles form a line
Reason R : The sum of all the angles around a point is always 1800
12. Assertion A : the value of x is 700                                                                                                                                                              Reason R : Exterior angles so formed is equal to the sum of two interior opposite angles
13. Assertion a : The value of 'x' in the adjacent figure is 500                                                                                               Reason R : The value of 800
14. The sum of two angles is 900 is called
15. Two complementary angles are in the ratio 2 : 7 , the measure of smaller angle is
16. Which of the following is not related ?
17. Obtuse angle
18. 2000 is called
19. If the two hands of clock shows the time of 7 AM then the angle between them is
20. From the figure , match the following
  1. \anglex                                   ( ) p. 600
  2. \angley                                   ( ) q. 610
  3. \anglez                                   ( ) r. 590
  4. Sum of x + y + z            ( ) s. 1800
21. Which of the following is not related in transversal diagram . If l parallel to m and 'n' is a transversal
22. Find the odd one out
23. When two straight lines intersect then
  1. Adjacent angles are complementary
  2. Adjacent angles are supplementary
  3. Opposite angles are equal
  4. Opposite angles are supplementary
By the above statements which are correct ?
24. In the given figure AB and CD are parallel and \angle1 : \angle2 = 3 : 2 then \angle6 =

25. Match the following
  1. 690 ( ) p. Obtuse angle
  2. 910 ( ) q. Reflex angle
  3. 3590( ) r. Complete angle
  4. 3600( ) s. Acute angle
26. Which of the following is true ?
27. Which of the following are false ?
28. Which of the following are incorrect ?
29. Which of the following are true ?
30. Which of the following are false ?
31. Statement I :When 3 or more lines meet at point they are called concurrent lines
Statement II : The point at which they meet is called point of concurrence
Statement III : The complementary angle of 650 is 350
32. Statement I : 10 = 600                                                                                                                                                                                            Statement II : 11 = 6011                                                                                                                                                                                           Statement III : 10 = 360011 
33. Statement I : If two angles have a common arm and both the angles lies in its either sides and sum of their angles 1800. then they are called supplementary angles
Statement II : If angle x0 is equal to its supplementary angle then the angle is \frac{1}{2} of complete angle
Statement III : If 1800 < \theta < 360 then \theta is called reflex angle
34. Which of the following is not related ?
35. If 2 lines intersect each other then their vertically opposite angles are
36. Which pair of the following angles become supplementary angle ?
37. In the adjacent figure \angleAOB = x0 , \angleBOC = y0 , \angleCOD = z0 and \frac{y}{x} = 5 , \frac{z}{x} = 4 then the value of 'x' is
38.  If the two hands of clock shows the time of 12 AM then the angle between them is
39. The conjugate angle of 1720 is
40. The conjugate angle angle of 700 is
41. Supplementary angle of 700 is
42. If x - 10 and x + 20 are two supplementary angles then the value of x is
43. If the complement of an angle is \frac{1}{5} times of itself , then the angles are
44. If the supplement of an angle is 3 times of itself then its complement is
45. If the supplement of an angle 400 less than thrice its supplement then the angles are
46. From the adjacent figure , the value of X + Y is.............
47. In the given figure Op parallel to RS then \anglePQR =
48. In \triangleABC , \angleA = 400 . If \vec{BO} and \vec{CO} are the bisectors of \angleB and \angleC then the value of \angleBOC is
49. Arrange the steps in the adjacent figure BE perpendicular to DA and CD perpendicular to DA then prove that m\angle1 \cong m\angle3
  1. BD is transversal
  2. m\angle1 \cong m\angle3
  3. m\angle1 = m\angle3
  4. CD parallel to BE
50. If l , m , n are three lines concurrent at O then the value of 'y' is .....................
51. Arrange the steps in adjacent figure PQ parallel to ST , \anglePQR = 1100 and \angleRST = 1300 , Find \angleQRS .
  1. \anglePQR + \angleQRS = 1800
  2. \angleQRX = 1800 - 1100
  3. 1100 + \angleQRX = 1800
  4. \angleQRX = 700
52. Which of the two lines are not parallel ?
53. The value of x0 from the adjacent figure is
54. The value of y0 from the figure
55. If AB , CD , EF are parallel and PQ is transversal then value of x0 is
56. If AB , CD , EF are parallel and PQ is transversal then value of y0 is
57. The value of 2(x + y)
58. From the figure , the value of x + y + z is
59. From the below figure , the value of x - y is
60. From the figure , the value of x + z is
61. From the figure , the value of y + z is
62. These lines are called as
63. If the sum of two angles is 1800 , then those are said to be .................angles to each other
64. If the sum of two angles is 900 , then those are said to be .................angles to each other
65. The pair of angles whose sum is 3600 are called
66. A line which intersects two distinct lines at two distinct points is called
67. If two lines intersect each other , then the pairs of ........................ thus formed
68. "If the sum of two adjacent angles is 1800 then the non-common arms of the angles form a line" it is an
69. If a ray stands on a straight line then the sum of two adjacent angles so formed is 1800 , this is
70. If two angles have common arm and common vertex then they are called
71. Complementary angles means
72. Supplementary angles are
73. If two or more lines meet at any point is called
74. A ray has .......
75. A line has ........... end points
76. A plane has
77. A : Linear pair of angles are always supplementary
B : Supplementary angles need not form a linear pair
78. If a transversal intersects two parallel lines , then each pair of interior angles on the same side of the transversal are
79. In the figure , Find the value of x
80. In the figure , Find the value of y
81. The value of x and y are
82. In the figure the arrow head segment are parallel then find value of x and y
83. Find the values of a and b , given that p and q , r and s are parallel
84. Find 'x' value
85. Find the value of 'y'
86. If the two arms of one angle are respectively perpendicular to two arms of another angle then the two angles are
87. Conjugate angle for 2150
88. Complementary angle for 1800
89. Supplementary angle for 600
90. Supplementary angle for 750
91. What is the angle between two hands of a clock when the time in the clock is 9AM
92. What is the angle between two hands of a clock when the time in the clock is 7 AM is
93. What is the angle between two hands of clock when the time in the clock is 6 AM is
94. In angle sum property of triangle , sum of angles of triangles is
95. Sum of exterior angles of triangle is
96. Lines which are parallel to same line are ...... to each other
97. If transversal intersects two parallel lines , then each pair of alternate interior angles are
98. If a transversal meets two lines , we get ................ angles
99. A part of line with two end points is known as
100. The following represents a

 

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