The length of the minute hand on a wall clock is 10 5 cm Find the area swept by the - Maths - Surface Areas and Volumes

Question

The length of the minute hand on a wall clock is 10 5 cm Find
the area swept by the minute hand in 10 minutes

ramandeep.singh · Accepted Answer

Length of the minute hand, r = 10 5 cm Angle swept by the minute hand in 10 minutes = $\frac{10}{60} \times 360^{0}$ = $60^{0}$ Area of a sector = $\frac{θ}{360^{0}} \times π r^{2}$ âˆ´Area swept by the minute hand in 10 minutes = $\frac{60^{0}}{360^{0}} \times \frac{22}{7} \times 10 5 \times 10 5$ = $57 75 c m^{2}$

The length of the minute hand on a wall clock is 10.5 cm.Find the area swept by the minute hand in 10 minutes