Question

The minute hand of a clock is √21 cm long. Find the area described by the minute hand on the face of the clock between 6 am and 6.05 am.

Answer 1

I hope there is no calculation mistake

Answer 2

radius = √21
angle = 6*5=30 degrees
area of sector = 30/360*22/7*21
                         =5.5 cm2