The short and the long hand of a clock are 4cm and 6cm respectively. What will be sum of distances travelled by their tips in 4days?
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In one day......
Hour hand travels 4πr cm
Minute hand travels 48πR cm
Sum = 4πr + 48πR
In 4 days.....
Sum = 4 × (4πr + 48πR)
= 16πr + 48πR
= 16 × π × 4 + 48 × π × 6
= 352π
≈ 1105.8406
Hope this helps
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ani93singha:
16πr + 192πR is happen....Please check..
Answer :: 3818.24cm
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No Hour hand travels 4πr and minute hand travels 48πr
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