If hour hand of a circular clock is 7cm long then find the area swept by it in 36 minutes
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Angle made in 60 mins = 360°
Angle in 1 min = 360°/60 = 6°
Angle in 36 mins = 36 x 6°= 216°
Area = πr²θ/360 = 49π x 216/360 = 92.4 cm²
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