The minute hand of a tower clock is 1.4 metre long. How far does the tip of the hand move in one hour?
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Answer:
6.16m^2
Step-by-step explanation:
radius = length of minute hand
r=1.4m
as 1 to complete one hour It takes I complete round so,
area =22/7 × 1.4 ×1.4
= 22× 0.28
=6.16m^2
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