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The length of a minute hand of a clock is 3.5cm. Find the angle it turns through if it sweeps an area of 4.8cm2. (Take π = 22/7

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θ/360πr2 = 4.8cm2
θ/360 × 22/7 × 3.52 = 4.8
269.5θ = 4.8
 2520
θ = 4.8 × 2520
          269.5
θ = 44.88°
θ = 44.9°

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0.002cm

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