Class 9 Quiz Level 2 (Moderate) – Lines and Angles

Total questions: 20

Which option represents an Angle

Topic: Types of Angles

Deselect Answer

Two rays originate from the same point

Three rays originate from the same point

Two rays originate from the mid point

Two rays originate from the another point

None

Which option represents a Reflex angle

Topic: Reflex Angle

Deselect Answer

An angle whose measure is more than 180° but less than 360°

An angle whose measure is less than 180° but more than 360°

An angle whose measure is more than 360° but less than 360°

An angle whose measure is more than 180° but less than 400°

None

Find the supplement of the following angle: 124°

Topic: Supplementary Angles

Deselect Answer

56°

65°

45°

25°

None

Find the supplement of the following angle: 42°

Topic: Supplementary Angles

Deselect Answer

138°

140°

184°

148°

None

Find the supplement of the following angle: $\displaystyle \dfrac{3}{5}$ of a right angle

Topic: Supplementary Angles

Deselect Answer

154°

126°

124°

130°

None

In the adjoining figure AOB is a straight line. Find the value of x.

Topic: Angle on a Straight Line

Deselect Answer

118°

104°

156°

98°

None

Define the following term: Supplementary angles

Topic: Supplementary Angles

Deselect Answer

Two angles are said to be supplementary if the sum of their measure is 180°

Three angles are said to be supplementary if the sum of their measure is 180°

Two angles are said to be supplementary if the product of their measure is 180°

Two angles are said to be supplementary if the sum of their measure is 160°

None

If a transversal intersects two lines such that the bisectors of a pair of corresponding angles are parallel, then the two lines are parallel.

Topic: Parallel Lines

Deselect Answer

True

False

None

In ray OS stands on a line POQ. Ray OR and ray OT are angle bisectors of ∠POS and ∠SOQ, respectively. If ∠POS = 𝑥, find ∠ROT.

Topic: Angle Bisectors of Parallel Lines

Deselect Answer

90°

60°

45°

180°

None

10.

Two adjacent angles on a straight line are in the ratio 5:4. Find the measure of each one of these angles.

Topic: Adjacent Angles on a Line

Deselect Answer

60°, 120°

40°, 140°

100°, 80°

50°, 130°

None

11.

If a transversal intersects two lines such that the bisectors of a pair of corresponding angles are parallel, then prove that the two lines are parallel.

Topic: Parallel Lines

Deselect Answer

PQ∥RS

PR∥RQ

PS∥RQ

None of these

None

12.

In the figure given, state which lines are parallel and why?

Topic: Parallel Lines

Deselect Answer

AD∥CD

AC∥DE

AB∥CD

CB∥AD

None

13.

In the figure, if $\displaystyle x+y=w+z$, then, which option is the correct?

Topic: Linear Pair of Angles

Deselect Answer

AOB is a straight line.

AOC is a straight line.

AOB is a Perpendicular

None of these

None

14.

In Fig, if AB DE, ∠BAC=35° and ∠CDE=53°, find ∠ DCE.

Topic: Angles with Parallel Lines

Deselect Answer

92°

85°

82°

65°

None

15.

In figure, find ∠COD when ∠AOC+∠BOD=100°

Topic: Angles Formed by Intersecting Lines

Deselect Answer

70°

80°

90°

60°

None

16.

In the figure, find the values of 𝑥 and y and, then select the correct option?

Topic: Angles with Parallel Lines

Deselect Answer

AB ∥ CD

AC ∥ BD.

AD ∥ CD.

None of these

None

17.

In Fig., lines PQ and RS intersect each other at point O. If ∠POR:∠ROQ=5:7, find all the angles.

Topic: Intersecting Lines and Angles

Deselect Answer

75°, 105°, 105°, 75°

65°, 115°, 115°, 65°

85°, 95°, 95°, 85

100°, 80°, 80°, 100°

None

18.

In Fig.., if PQ∥RS,∠MXQ=135° and ∠MYR=40°, find ∠XMY.

Topic: Angles with Parallel Lines

Deselect Answer

85°

95°

105°

115°

None

19.

In Fig, the side QR of △ PQR is produced to a point S . If the bisectors of ∠PQR and ∠ PRS meet at point T ,then select the correct option?

Topic: Angle Bisectors in Triangle

Deselect Answer

QTR =$\displaystyle \dfrac{1}{2}$ ∠QPR

QTR =1/$\displaystyle \dfrac{1}{4}$ 4∠QPR

QTR =$\displaystyle \dfrac{1}{6}$ ∠QPR

None of these

None

20.

In the figure, lines AB and CD intersect at O. If angle AOC + angle BOE=70 and angle BOD=40 , find angle BOE and reflex angle COE.

Topic: Intersecting Lines and Ratios

Deselect Answer

35°. 150°

30°, 250°

40°, 100°

45°, 145°

None

1 out of 20

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Class 9 Quiz Level 2 (Moderate) – Lines and Angles

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