Question

find the area coverd by a minute hand is 10cm in 6 minute

Answer 1

Distance covered in one minute is 6 degrees
Distance covered in 6 minutes is 36 degrees

Theta = 36 degrees
Area = (theta x pi x r x r) /360
= 36/360 x pi x r x r
= 1/10 x 3.14 x 10 x 10
= 3.14 x 10
= 31.4 sq. cm