Question

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

Answer 1

Answer:

The hour hand of clock revolves by 90° or 1 right angle when it goes from 10 to 1. (e) The hour hand of clock revolves by 270° or 3 right angles when it goes from 12 to 9. (f) The hour hand of clock revolves by 180° or 2 right angles when it goes from 12 to 6.