90 degrees
15°
144 degrees. Each minute mark around the clock face is 6 degrees.
There are 360 degrees from 12 to 12 , so every hour is 360/12 = 30 degrees. From 12 to 8 there is 30 x 8 = 240 degrees
60 degrees
90
90 degrees
90 degrees
3 assuming they are both the same-am or pm
15°
144 degrees. Each minute mark around the clock face is 6 degrees.
There are 360 degrees from 12 to 12 , so every hour is 360/12 = 30 degrees. From 12 to 8 there is 30 x 8 = 240 degrees
90 degrees
90 degrees. At this time the small hand will be at the 9 with a bearing of 270 and the large will be at the 12 with a bearing of 0. The difference between these is 270 degress or 90 degrees but as 90 degrees is smaller that is the one we use.
60 degrees
There are 180 degrees between north and south in a compass rose.
At 10 o'clock the hands of the clock are at an angle of 60°