Question

The length of the minute hand of clock is 7cm.find the area swept by it in one hour?

Answer 1

Answer:

area swept by the minute hand in 1 hour

                                       =    area of the clock

 =  22/7 × 7 × 7

=  154 cm²

hope it's helpful...........................

Answer 2

Answer:

Step-by-step explanation:

R=7 cm

Theta=360 (since 1 hour)

Therefore area=(theta/360)×pi ×r^2

=(360/360)×(22/7)×7^2

=22/7×7×7=154cm^2