Question

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.

Answer 1

Angle swept in 60 mins = 360°

So, Angle swept in 35 mins = 6(35) = 210°

Hence Area swept = 210*3.14*(10)^2/360 = 183.33 ≅ 183 cm^2