Acute Angle

Q. The angle between the hour hand and the minute hand, when the time is 6:30 is .

1. ${15}^{\circ }$
2. ${25}^{\circ }$
3. ${30}^{\circ }$
4. ${45}^{\circ }$

Q.

What is an angle which is less than 180 degrees but more than 90 degrees called?

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

Q.

___ are the angles whose measure is less than 360 degrees but more than 180 degrees.

Q. The angle between the minute hand and the hour hand of a clock when the time is $4:10$ is

1. an obtuse angle
2. an acute angle
3. a right angle
4. reflex angle

Q.

What is an angle called if it is greater than 90 degrees, but less than 180 degrees?

1. Obtuse

2. Reflex

3. Straight

4. Acute

Q. An angle which measure ${37}^{\circ }$ is an

1. Obtuse angle

2. Straight angle

3. Acute angle

4. Reflex angle

Q. Is zero degree an acute angle? Answer in Yes/No.

Q.

Obtuse angle measures more than 90 but less than ______ .

1. 270

2. 360

3. 220

4. 180

Q.

Question 3 (a)

Write down the measure of:
Some acute angles

Q.

If an angle is acute, then its measure is $45°$

1. True
2. False

Q.

If an angle measures 78°, then it is called

1. a straight angle

2. a right angle

3. an obtuse angle

4. an acute angle

Q.

Question 2 (c)

Classify each one of the following angles as right, straight, acute, obtuse or reflex:

Q. What type of angle is included between the hour hand and the minute hand, if the time shown by the watch is 06:00?

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

Q.

If the sum of the measures of two angles is a right angle, then each one of them is a/an______.

Q. Identify the angle formed in the given image of the pizza slice.

1. Right angle
2. Acute angle
3. ${90}^{\circ }$
4. Less than ${90}^{\circ }$

Q. If the sum of two angles is less than 90°, then the angles are:

1. right angles
2. obtuse angles
3. acute angles
4. reflex angles

Q. Find the angle between the minute hand of a clock and the hour hand when the time is $7:20$ am.

Q. It is not possible to construct a copy of angle ${115}^{\circ }$ by using a compass.

1. True
2. False

Q. An angle of measure 0° is called

(a) a complete angle
(b) a right angle
(c) a straight angle
(d) None of these

Q. Any angle whose measure is between $0^o$ and ${90}^o$ is called an angle.

Q. Choose the acute angles from the following figures.

1. 
2. 
3. 
4. 

Q.

Angle between directions North & South is a/an

1. Straight angle

2. Complete angle

3. Right angle

4. Acute angle

Q.

Which of the given angle have a measure of 90 degrees?

1. Obtuse Angle

2. Right Angle

3. Reflex Angle

4. Acute Angle

Q.

If we consider the angle made between the hour hand and the minute hand, which of the following time makes an acute angle?

1. 04:00

2. 06:00

3. 09:00

4. 04:30

Q. The angle between the minute hand and the hour hand of a clock when the time is 4:20 in degree is:

1. 20
2. 30
3. 10
4. 80

Q. Match the following.

	Measure of the angle		Type of angle
(1)	180°	(a)	Zero angle
(2)	240°	(b)	Straight angle
(3)	360°	(c)	Reflex angle
(4)	0°	(d)	Complete angle

Q. Match column I with their respective type of angles.

1. acute
2. reflex
3. obtuse

Q.

The angle given in figure is a/an ______.

1. Obtuse Angle

2. Straight Angle

3. Acute Angle

4. Right Angle

Q. A reflex angle measures

(a) more than 90° but less than 180°
(b) more than 180° but less than 270°
(c) more than 180° but less than 360°
(d) None of these

Q. ${90}^{\circ }$ cannot be classified as an acute or obtuse angle. State whether the statement is True or False.

1. True
2. False