#29 How many strips?
How many 3 x 1 strips, like the example pictured, can be cut out of this piece of wood?
Answer next week
#28 A well-timed nap
Solution
One hour is 60 minutes for the minute hand, and 1 hour is one-twelfth of a circle (i.e. 30掳) for the hour hand. In other words, if the time is “m” minutes past the hour, then the hour hand has travelled through 陆m degrees past the hour.
Suppose that when I go to sleep, the angle between the minute and hour hand = m. If the minute hand is…
