Figure out the area covered by a 7 cm long minute arm in 5 minutes of time.
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Step-by-step explanation:
total part of the circle = 5/60 = 1/12
area of the whole circle = πr×r = 22/7 × 7× 7
area of the whole circle covered by minute arm
= 154 cm^2
area covered by minute arm in 5min = 154×1/12
= 77/6cm^2
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