Question

The minute hand of a clock is v12 cm long. What is the area described by the minute
hand between 8.00 a.m. to 8.05 a. m​

Answer 1

Answer:

Theminuithandofaclockmoves35minuitsfromitsoriginalposition.Thelengthoftheminuithand=12cm.Tofindout−theareacoveredbytheminuithand=?solution−Letusassumethatthefaceoftheclockiscircular.Theminuithandmoves360oin60minuits.∴in35minuitsitmoves360o×6035=210o.Sotheminuithandcoversanareawhichisasectorwiththecentralangle=θ=210oandradius=r=12cm.∴ar.sector=360oθπr2=360o210o×

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