Acute Angle

Q.

An angle less than a right angle is called a/an ____.

1. obtuse angle

2. acute angle

3. straight angle

4. reflex angle

Q.

Classify the angles whose magnitudes are given below.

$45°$

Q.

What type of angle is made by the minute hand and the hour hand of the above clock?

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

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

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

Q.
What is the number of acute angles in the given figure?

1. 0
2. 4
3. 12
4. 16

Q. A right angle is always ____ an acute angle.

1. greater than
2. less than
3. equal to
4. double of

Q. Choose the smallest angle.

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

Q.

Name each of the following triangles in two different ways: (you may judge the nature of the angle by observation)

Q.
How many acute angles does the inside of the above figure hold?

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

Q. Which of the following are acute angles ?

1. (i) and (v)
2. (ii) and (iv)
3. (i) and (iii)
4. (i) and (ii)

Q.

If we consider the angle made between the hour hand and the minute hand of a clock, then which of the following times make acute angles?

(This question can have more than one correct answer!)

1. 04 : 30

2. 01 : 00

3. 06 : 00

4. 09 : 00

Q. What is the number of acute angles inside the below shape?

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

Q.

Classify the angles whose magnitudes are given below.

$87°$

Q. Integrate log x/xlogx+x dx

Q.
The above angle is a/an _______.

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

Q. Which of the following is an acute angle?

1. ${98}^{\circ }$
2. ${89}^{\circ }$
3. ${179}^{\circ }$
4. ${181}^{\circ }$

Q.
What is the total number of acute angles in the above triangle?

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

Q.

Which of the following is less than a right angle?

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

Q. These orange lines in this picture are ______.

1. lines
2. rays
3. points
4. line Segments

Q.

What type of angle is made by the minute hand and the hour hand of the above clock?

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

Q. Mark angles in given pictures. Try to mark more than one angle in each picture.

Q.

What type of angle is made by the minute hand and the hour hand of the above clock?

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

Q. Which of the following is an acute angle?

1. 65°
2. 105°
3. 125°
4. 265°