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
= x (10)2
= 183.3 cm2.
Answered by | 02 Apr, 2014, 12:08: PM