Question

the length of minute hand of clock is 7cm .find the area swept by the minute hand in 12 minutes​

Answer 1

Angle swept in 60 min =360

So in one min it is 6 degree

In 12 min it is 72°

Area swept = πr^2 theta/360

22/7 •7•7•72/360

22•7•5

770 cm ^2