CBSE Board Practice

CBSE Grade IX - Lines and Angles
Question 1
1.
In the given figure, △ABC in which ∠B = 65.47° and ∠C = 61.17°. AD and BC bisects each other. Find the value of z
  • z
    =
    53.36°
  • z
    =
    51.36°
  • z
    =
    55.36°
  • z
    =
    54.36°
  • z
    =
    52.36°
Question 2
2.
Find the measures of the three angles suitable to form a triangle?
  • ∠J = 72.90° , ∠K = 39.40° , ∠L = 77.50°
  • ∠J = 39.40° , ∠K = 69.20° , ∠L = 92.40°
  • ∠J = 55.30° , ∠K = 49.10° , ∠L = 119.90°
  • ∠J = 72.62° , ∠K = 44.42° , ∠L = 62.96°
  • ∠J = 46.30° , ∠K = 90.30° , ∠L = 114.70°
Question 3
3.
Which of the following is a reflex angle?
  • 26°
  • 146°
  • 180°
  • 256°
Question 4
4.
Two angles of a triangle measure 50° and 56° respectively. Find the measure of the third angle of the triangle
  • 74°
  • 75°
  • 72°
  • 73°
  • 76°
Question 5
5.
In the given figure l ∥ m. Find the value of 'q'
  • 11
  • 9
  • 14
  • 12
  • 13
Question 6
6.
    • In the figure below, if
    • IJ
    • =
    • 5.70 cm
    • and
    • JK
    • =
    • 13.30 cm
    • ,find
    • IK
    • = ?
  • 18.00 cm
  • 21.00 cm
  • 17.00 cm
  • 19.00 cm
  • 20.00 cm
Question 7
7.
In below given figure, find ∠EBC
  • 59.99°
  • 61.99°
  • 62.99°
  • 63.99°
  • 60.99°
Question 8
8.
Which of the following figures represent a line segment?
  • fig 3
  • fig 2
  • fig 1
Question 9
9.
Find the value of 'w'
  • 134°
  • 139°
  • 124°
  • 129°
  • 154°
Question 10
10.
In the given figure, calculate the value of x.
  • x
    =
    41°
  • x
    =
    38°
  • x
    =
    37°
  • x
    =
    40°
  • x
    =
    39°