Question

angle between clock arms at 9.45
with explanation​

Answer 1

Answer:

22.5°

Step-by-step explanation:

for each 60 min (one hour) hour hand moves 30° (360°for 24 hours so 30°for one hour) so it move 30÷60=0.5°.

at 9.00 hour hand will be on 9 perfectly

so it will make 270°with minute hand.

at 9.45 minute hand will be perfectly on 9 and as 45 minutes passed, hour hand will move 45×0.5=22.5°ahead of 9

now,hour hand is 22.5°ahead of 9 and minute hand is on 9

so answer is 22.5

Answer 2

angle between clock alarm

at 9.45 is30