Question

2 The length of hour hand of a clock is 7 cm. Find the
area swept by the hour hand in one hour.​

Answer 1

Answer:

12.83cm^2

Step-by-step explanation:

Total area of clock = pi × r^2

here r = 7 cm

Area = 22/7 × 7× 7 = 154 cm^2

Area swept by the hour hand in 1 hr = 154/12

= 12.83cm^2