Question

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

Answer 1

Answer:

2.57 sq.cm

Step-by-step explanation:

Given: radius r=7cm

area covered in one minute= 1/60 of area covered by hour hand in one revolution=1/60 × π × r × r

=1/60×22/7×7×7=1/60×22×7=2.57 sq.cm