4. Find the distance covered in 10 rotations by the front wheel of the road roller whose
diameter is 4 m.
don't give wrong answers
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hєєчα,
quєѕtíσn :-- ⤵️⤵️
Find the distance covered in 10 rotations by the front wheel of the road roller whose
diameter is 4 m.
αnѕwєr :-- ⤵️⤵️
hєrє,
numвєr σf rσtαtíσnѕ = 10
díαmєtєr σf whєєl = 4m
ѕσ, díѕtαncє cσvєrєd ín σnє rσund = 2 π r
= 2 × π × 2
= 4π
nσw,
díѕtαncє cσvєrєd ín 10 rσundѕ = 10 × 4π
= 10 × 4 × 22/7
= 40 × 22/7
= 880 / 7
= 125.71
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