The length of the minute hand of a clock is 5 cm. Find the area swept by the minute hand during the time period 6:05  a.m. and 6:40 a.m.

Asked by jaychandran1967 | 30th Mar, 2017, 05:12: PM

Expert Answer:

begin mathsize 16px style 1 space minute space equals space 6 to the power of ring operator
35 cross times 6 equals 210 to the power of ring operator
Area space of space sector equals straight theta over 360 πr squared
space space space space space space space space space space space space space space space space space space space space space space space space space equals 210 over 360 cross times 22 over 7 cross times 5 cross times 5
space space space space space space space space space space space space space space space space space space space space space space space space space equals 45.83 space cm squared end style

Answered by Sneha shidid | 31st Mar, 2017, 10:09: AM