Question

An accurate clock shows 10'o clock in the morning through how many degrees will the hour hand rotate when the clock shows 7'o clock in the evening

Answer 1

SEE WE HAVE TO FIND THE DEGREE @ 7p.m. 
1 HR=30 DEGREES
SO THE GAP TIME BETWEEN 10a.m. to 7p.m. IS 3 HRS...
SO 3*30=90 DEGRESS

Answer 2

Answer:

135°

Step-by-step explanation:

Given :An accurate clock shows 10'o clock in the morning through

To Find : How many degrees will the hour hand rotate when the clock shows 7'o clock in the evening

Solution:

Hours between 10 am to 7 pm = 9 hours

Hours hand completes 360° in 24 hours

So, 24 hours = 360°

1 hour = $\frac{360}{24}$

9 hours = $\frac{360}{24} \times 9$

9 hours = $135^{\circ}$

Hence the hour hand will rotate 135° when the clock shows 7'o clock in the evening.