Question

The minute clock hand is 3.5cm then find the swepty by minute hand in 30minets

Answer 1

radius of the sector formed = 3.5cm
angle formed = 180°
area of sector = πr²Ф/360°
                     = (22*3.5*3.5*180°)/7*360°
                    = 77/4 = 19.25cm²

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Answer 2

I think 7 cm but not sure