Angles

Q.

How is $1$ Degree Equal To $60$ Minutes?.

Q.

An angle whose measure is less than 90 degrees is called a/an

1. Acute Angle

2. Obtuse Angle

3. Right Angle

4. Straight Angle

Q. The angle between hour hand and minute hand at time 12:30 is.

1. Acute
2. Right
3. Straight
4. Obtuse

Q. The angle between parallel lines is ____

Q.

What is the angle between North-East and South-West direction?

1. Obtuse angle

2. Straight angle

3. Acute angle

4. Right angle

Q. Which of the following measures more than 90 degrees but less than 180 degrees?

1. Right Angle
2. Obtuse Angle
3. Acute Angle
4. Reflex Angle

Q.

Which of the following can be classified as the smaller angle between the hour hand and minute hand at 8 o'clock?

1. Straight Angle

2. Acute Angle

3. Right Angle

4. Obtuse Angle

Q.

Angles around a point will always add up to 360 degrees.

1. True

2. False

Q.

Two obtuse angles can be supplementary angles.

1. True

2. False

Q. An angle which measures 89 degrees is a/an _____.

1. right angle
2. acute angle
3. obtuse angle
4. straight angle

Q. What is the measure of a straight line angle?

1. 360 degrees
2. 270 degrees
3. 90 degrees
4. 180 degrees

Q. The two angles having a common arm and a common vertex are called __________

Q. The angle between north and east direction is.

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

Q. The angle between hour hand and minute hand at time 4:30 is.

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

Q.

All the angles in a rectangle are ___ angles.

1. right

2. obtuse

3. acute

4. None of the above

Q. Which of the following statement is true?

1. Sum of two acute angles will always be an acute angle.
2. Sum of two acute angles will always be an obtuse angle.
3. Sum of two acute angles will always be a right angle.
4. Sum of two acute angles will be either acute or obtuse or right angle.

Q.

If two angles of a triangle are complementary, then the third angle is ………………..

1. $36°$

2. $45°$

3. $60°$

4. $90°$

Q.

In figure given below,

Find the value of $\angle$1 +$\angle$2.

1. 180${}^{\circ }$

2. 270${}^{\circ }$

3. 190${}^{\circ }$

4. None of the above

Q.

What is the difference between the measures of a straight angle and a right angle?

1. 60^o

2. 45^o

3. 90^o

4. 100^o

Q. Match the given images with their respective values of unknown angle 'z'.

1. 110${}^{\circ }$
2. 60${}^{\circ }$
3. 120${}^{\circ }$

Q.

Question 61

State whether the statement is True or False.

One obtuse angle and one acute angle can make a pair of supplementary angles.

Q.

An angle is greater than $45°$. Is its complementary angle greater than $45°$ or equal to $45°$ or less than $45°$?

Q.

Number of acute angles in the following figure is:

1. 1

2. 2

3. 4

4. 3

Q.

Sum of interior angles or exterior angles on the same side of the transversal is equal to

1. (a)$180°$

2. (b) $360°$

3. (c) $90°$

Q.

Give two examples from your surroundings of Parallel lines ?

Q. Question 5
If Q is a point on the side SR of a $\Delta PSR$ such that PQ = PR, then prove that PS > PQ.

Q.

The drawing below (figure), show angles formed by the goalposts at different positions of a football player. The greater the angle the better chance the player has of scoring a goal, e.g. The player has a better chance of scoring a goal from position A than from position B.

Seven football players are practising their kicks. They are lined up in a straight line in front of the goalpost [figure (ii)]. Which player has the maximum chance of hitting the goal ?

Q.

Question 2 (iv)
In the adjoining figure, identify:

The vertically opposite angels.

Q.

Which of the following angle is obtuse angle:

1. 

2. 

3. 

4. 

Q.

Sarosh comes home from the office at 8 o' clock. The least angle subtended between the hour hand and minute hand by the time he reaches home is:

1. Acute Angle

2. Right Angle

3. Obtuse Angle

4. Straight Angle