A watch hour hand is 1 cm long. Find the area
covered by the hour hand in 4 hours.
Answers
Answered by
0
Step-by-step explanation:
in 1 hour area covered = π*r^2
where r is radius of clock = hour hand length
area covered in 1 hour = π*1^2
= π cm^2
in 4 hours area covered = 4π cm^2
= 12.56 cm^2
Answered by
0
Answer:
the answer is 44/21
Step-by-step explanation:
size of hour hand = 1cm
after 4 hour it cover = (2*22/7*1)/3
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