Question

4. The angle between hour hand an
a minute hand at 7:30 is
O
45 degree
O 55 degree
30 degree
O 60 degree
5. The period of cos 50 is"
270
O 27/5
O n/a​

Answer 1

Answer. 45 degree

Step-by-step explanation:

Every 5 minute is equal to 30 degree as 360/12=30

If clock shows 7:30 it means hour hand is between 7 and 8 so. 6 to 7 is 30 degree and 7 to its half is 15 degree that why total angle is 45 degree

Answer 2

Answer:

40 degree

Step-by-step explanation:

the degree between 6 and 7 will be 30° and when it is 7.30 the hour hand is in bisects the 30°-15° in the middle..

therefore at 7.30 the angle should be 30°+15°=45°or (degree)