Linear Pair

Q. Anita measured the angle formed when the clock ticked to 7'O' clock. Find the angle that Anita measured.

1. ${120}^{\circ }$
2. ${150}^{\circ }$
3. ${130}^{\circ }$
4. ${160}^{\circ }$

Q.

How many degrees are there in
(i) Two right angles
(ii) 2
3
right angles

Q.

The value of x in the given figure is ______.

1. 30^o
2. 50^o
3. 40^o
4. 80^o

Q. The figure shown is a regular hexagon. What is the total number of obtuse angles in a regular hexagon?

1. 0
2. 4
3. 6
4. 8

Q. Find the measure of the angle between the hands of the clock in the following figure.

1. 20${}^{\circ }$
2. 15${}^{\circ }$
3. 35${}^{\circ }$
4. 30${}^{\circ }$

Q.

Two angles whose measures are a & b are such that 2a - 3b = ${60}^{\circ }$. Find the value of '5b' if they form a linear pair.

1. 

2. 

3. 

4. 

Q.

Which of the following is smaller than a right angle?

1. Obtuse angle

2. Acute angle

3. Reflex angle

4. Whole angle

Q.

The supplement of an obtuse angle is ____ angle.

Q. In the given letter, there are _________ angle(s).

1. two acute
2. three obtuse
3. two right
4. one right

Q. How many right angles do two full rotations consist of?

1. 2
2. 4
3. 6
4. 8

Q. An angle of measure 180° is called

(a) a zero angle
(b) a right angle
(c) a straight angle
(d) a reflex angle

Q. In the given figure, find the measure of x.

1. 30
2. 50
3. 40
4. 20

Q.

Dual of$(x\vee y)\wedge (x\vee 1)=x\vee (x\wedge y)\vee y$ is

1. $(x.y)+(x.0)=x.(x+y).y$

2. $(x+y)+(x.1)=x.(x+y).y$

3. $(x.y)(x.1)=x.(x+y).y$

4. None of these

Q.
Find the value of $\angle ABC$ in the given figure.

1. 60

Q. In the given figure; PQR is a straight line. If ∠SQR = 75°; find ∠PQS.

1. 115°
2. 105°
3. 95°
4. 125°

Q.

Find angle x and angle y:

If $\angle$A = ${40}^{\circ }$​, $\angle$B = ${80}^{\circ }$​, and x = $\angle$C+y. Then the value of angle x & y in degrees is:

1. True

2. False

3. $y={80}^{\circ }$
4. $y={30}^{\circ }$

Q.

Find the value of $\angle$COB.

1. ${130}^{\circ }$

2. ${140}^{\circ }$

3. ${150}^{\circ }$

4. ${160}^{\circ }$

Q. Which of the following pairs of angles are linear pairs in the figure given below?

1. ∠AOB and ∠BOC
2. ∠AOE and ∠DOE
3. ∠DOE and ∠COD
4. ∠AOE and ∠BOC

Q.

The angle formed when a straight angle is bisected equal to:

1. 30º

2. 45º

3. 60º

4. 75º

Q. How many right angles are inside the below given shape?

1. 0
2. 1
3. 2
4. 4

Q. How many different angles (less than or equal to ${90}^{\circ }$) are in the given figure?

1. 3
2. 4
3. 6
4. 5

Q.

In a clock, the hour hand is at 6, the minute hand at 12 and the second hand somewhere between 8 and 9. If the angle made by second hand and hour hand is 73${}^{\circ }$, what is the angle(in degrees) between the minute hand and second hand?

__

1. ${73}^{\circ }$

2. ${17}^{\circ }$

3. ${107}^{\circ }$

4. ${287}^{\circ }$

Q. ________ is a closed figure.

1. Triangle
2. Acute angle
3. Obtuse angle
4. Right angle

Q. A straight angle is divided into four parts in the ratio 1:2:3:6. is the measure of the largest angle.

1. ${90}^{\circ }$
2. ${30}^{\circ }$
3. ${45}^{\circ }$

Q. The angles in a linear pair are consecutive odd numbers. What are its measures?

1. 88 and 91
2. 89 and 91
3. 91 and 87
4. 86 and 90

Q.

If AB is perpendicular to CD and PQ is perpendicular to AB, which of the following is/are true?

1. CD is parallel to PQ

2. Both A & B

3. None of the above are true

4. CD is perpendicular to PQ

Q. In the given figure, \(AOC\) is a straight line. If \(angle AOB = 50^\circ, angle AOE = 90^\circ ~ and ~ angle COD = 25^\circ\). Find the measures of:

(ii) angle \(EOD\)

Q.

Name the angle $72°$ as acute or obtuse or straight or reflex or right angle.

Q.

In figure given below, Find the value of $\angle$1 + $\angle$2.

1. 180${}^{\circ }$
2. 270${}^{\circ }$
3. 190${}^{\circ }$
4. Insufficient Data

Q. An angle of measure 90° is called

(a) a complete angle
(b) a right angle
(c) a straight angle
(d) a reflex angle