Find the length of minute hand of a clock is 7cm . Find the area swept by minute hand in 30 minutes
Answers
Answered by
4
area swept in 30 minutes is = 1/2 area of the clock.
=>> πr^2/2 = 22/7×49×1/2 = 77 cm^2..
=>> πr^2/2 = 22/7×49×1/2 = 77 cm^2..
Similar questions