Use of Protractor

Q. Identify the acute angle from the following figure.

1. 
2. 
3. 
4. 

Q. The instrument used to measure an angle is called ____.

1. compass
2. divider
3. scale
4. protractor

Q. Sort the following angles in ascending order with the least one on the top.

1. acute angle
2. right angle
3. obtuse angle
4. reflex angle
5. whole angle

Q. A protractor is used to measure .

1. ${180}^{\circ }$
2. ${360}^{\circ }$
3. an angle
4. a line segment