Chapter-5 ➤ Understanding Elementary Shapes

1. Find the number of right angles turned through by the hour hand of a clock when it goes from 3 to 12.

 
 
 
 

2. How many right angles do you make if you start facing north and turn clockwise to south?

 
 
 
 

3. Through what angle does the hour hand of a clock turn through, when it goes from 2 to 11?

 
 
 
 

4. Find the number of right angles turned through by the hour hand of a clock when it goes from 4 to 10.

 
 
 
 

5. Find the number of right angles turned through by the hour hand of a clock when it goes from 12 to 3.

 
 
 
 

6. Through what angle measure does the hour hand of a clock turn through, when it goes from 5 to 8?

 
 
 
 

7. How many right angles do you make if you start facing east and turn clockwise to south?

 
 
 
 

8. The angle measure for one-fourth revolution is

 
 
 
 

9. What part of a revolution have you turned through if you stand facing north and turn clockwise to face west?

 
 
 
 

10. Which of the following angles is the measure of a reflex angle?

 
 
 
 

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