What is the area of the face of a clock described by its minute hand between 9 am and 9.35 am If the minute hand is 18 cm long?

the minute hand of a clock is 12cm long. find the area of the face of the clock described by the minute hand between 9A.M.  and 9:35 A.M

The minute hand of a clock is 10 cm long. Find the area of the face of the clock described by the minute hand between 9AM and 9:35 AM.

Asked by Topperlearning User | 02 Apr, 2014, 10:08: AM

Angle described by the minute hand in 1 minute=60 (Since in 60 minutes, the angle described is 360o)

Angle described by the minute hand in 35 minutes

=6x35=2100

Area swept by the minute hand in 35 minutes

=

= 183.3 cm2.

Answered by | 02 Apr, 2014, 12:08: PM